Stomach Cancer Symptoms You Might Miss

1. Persistent Indigestion

Indigestion, also known as dyspepsia, is a common complaint that most people experience occasionally, typically after eating spicy foods or overeating. However, when indigestion becomes persistent—lasting for weeks or even months—it may signal an underlying problem, including the early stages of stomach cancer. Unlike typical heartburn, which often responds well to antacids or lifestyle changes, persistent indigestion can be accompanied by other subtle symptoms such as bloating, discomfort in the upper abdomen, and a feeling of fullness after eating small amounts.

It’s important to distinguish between occasional heartburn and ongoing indigestion that does not improve with standard remedies. According to the American Cancer Society, persistent indigestion is one of the early warning signs of stomach cancer that is often overlooked or dismissed as a minor digestive issue. If you notice your symptoms are not relieved by over-the-counter medications or dietary adjustments, or if they are accompanied by other warning signs such as unexplained weight loss or fatigue, consult a healthcare professional promptly. Early evaluation can be crucial for timely diagnosis and better outcomes.

2. Bloating After Eating

Bloating after eating is a familiar sensation for many, especially after consuming large or rich meals. Typically, such bloating is temporary and resolves as digestion progresses. However, when bloating becomes a regular occurrence after even modest meals, it can be an early sign of stomach cancer. Tumor growth within the stomach can obstruct normal digestion, causing food and gas to accumulate and resulting in persistent bloating. This type of bloating is often accompanied by a sense of fullness or discomfort that doesn’t improve with time or dietary adjustments.

Unlike typical overeating bloating, which is usually predictable and short-lived, cancer-related bloating may be more severe and persistent, often occurring regardless of meal size. According to Cancer Research UK, unexplained and ongoing bloating after meals is a symptom that should not be ignored, especially if it is new, persistent, or accompanied by other symptoms such as pain or weight loss. If you experience bloating that does not resolve or affects your quality of life, it’s important to seek medical advice for a thorough evaluation. Early investigation can help identify or rule out serious underlying conditions, including stomach cancer.

3. Feeling Full Quickly

Feeling full after eating only a small amount—known as early satiety—can be a subtle yet important symptom of stomach cancer. This occurs when tumors inside the stomach reduce its overall capacity or interfere with normal digestive processes, causing a sensation of fullness much sooner than usual. In everyday life, this might mean you find yourself unable to finish a meal you previously had no trouble eating, or you consistently leave food on your plate because you feel uncomfortably full after just a few bites.

While occasional early satiety can result from benign causes like stress or illness, a sudden and persistent change in how much you can eat should not be ignored. According to the American Society of Clinical Oncology, early satiety may be a sign that a mass is restricting the stomach’s ability to expand or empty properly. If you notice a noticeable decrease in your appetite or the amount you eat, especially if this change comes on suddenly or is accompanied by other symptoms such as weight loss or abdominal discomfort, consult a healthcare provider for further evaluation. Early recognition can make a significant difference in outcomes.

4. Unexplained Weight Loss

Unintentional or unexplained weight loss is a classic warning sign of many cancers, including stomach cancer. Cancer can speed up metabolism by releasing certain chemicals that increase energy use, even at rest. Additionally, tumors in the stomach may interfere with the normal digestion and absorption of nutrients, preventing the body from getting what it needs from food. This can result in a noticeable, unexplained drop in weight, even if your eating habits haven’t changed.

Unlike weight loss from intentional dieting or increased exercise, cancer-related weight loss occurs without effort or lifestyle modifications. It can be subtle at first but becomes increasingly apparent over a period of weeks or months. The American Cancer Society notes that losing more than 5% of your body weight over six to twelve months—without trying—should raise concern. If you notice your clothes fitting more loosely, or if friends or family comment on your appearance, pay attention. Persistent, unexplained weight loss, especially when combined with other digestive symptoms, warrants prompt medical attention, as early evaluation can lead to more effective treatment options and improved outcomes.

5. Persistent Nausea

Persistent nausea is an often overlooked symptom that can be associated with stomach cancer. Tumors in the stomach can irritate the stomach lining or partially block the passage of food, leading to ongoing feelings of queasiness or the urge to vomit. Unlike the nausea caused by common viral infections, which usually resolves within a few days and is frequently accompanied by fever or diarrhea, nausea related to stomach cancer tends to be chronic and can worsen over time.

This type of nausea may not respond to typical home remedies and can sometimes be triggered or intensified after eating. According to the American Cancer Society, patterns such as nausea that persists for weeks, recurs frequently without a clear cause, or is accompanied by other warning signs like vomiting, weight loss, or abdominal pain should be taken seriously. While occasional mild nausea is common and often harmless, persistent or unexplained nausea should not be ignored. If you find that your nausea is ongoing, particularly if it disrupts your eating or daily activities, consult a healthcare professional promptly for a comprehensive evaluation and diagnosis.

6. Vomiting (With or Without Blood)

Vomiting is a significant symptom that can occur when a stomach tumor disrupts normal digestive processes. Tumors may partially block the passage of food through the stomach or irritate the stomach lining, leading to repeated episodes of vomiting. While occasional vomiting could be due to food poisoning, viral infections, or other benign causes, persistent or unexplained vomiting is a red flag that deserves immediate attention.

One particularly concerning sign is the presence of blood in vomit, which may appear as bright red blood or resemble coffee grounds if it has been partially digested. According to Cancer Research UK, vomiting blood can indicate bleeding from a tumor in the stomach and is a medical emergency. Even if vomiting occurs without visible blood, it should not be dismissed, especially if it is recurrent or accompanied by other symptoms such as weight loss, persistent nausea, or abdominal pain.

If you experience vomiting that is frequent, severe, or contains blood, seek prompt medical evaluation. Early diagnosis can be crucial for effective treatment and can help prevent serious complications related to undiagnosed stomach cancer or other gastrointestinal conditions.

7. Abdominal Pain or Discomfort

Abdominal pain or discomfort is a symptom that can arise when a stomach tumor grows large enough to irritate the stomach lining or press on surrounding tissues. This pain might manifest as a dull ache, a feeling of pressure, or even sharp cramps. Unlike common abdominal cramps, which are often short-lived and linked to identifiable causes such as indigestion, gas, or menstruation, pain caused by stomach cancer tends to persist and may gradually worsen over time.

The location of the discomfort can vary, but it is often felt in the upper or middle region of the abdomen. According to the American Cancer Society, this type of pain may be subtle at first, making it easy to dismiss or attribute to less serious conditions. However, persistent or severe abdominal pain—especially when it is not relieved by typical remedies or is accompanied by other symptoms such as unintentional weight loss, nausea, or vomiting—should prompt further investigation.

If you experience ongoing or worsening abdominal pain without a clear explanation, it is important to consult a healthcare professional. Timely assessment can lead to early diagnosis and improved treatment outcomes.

8. Loss of Appetite

Loss of appetite, or anorexia, is a common but often underestimated symptom that can be associated with stomach cancer. The presence of a tumor in the stomach can disrupt normal hunger signals by altering hormone levels, causing inflammation, or creating a sense of fullness even after eating very little. These changes can gradually suppress your desire to eat, leading to a noticeable reduction in food intake over time.

While short-term appetite loss is frequently linked to stress, emotional upheaval, or minor illnesses—often resolving once the underlying issue passes—cancer-related appetite loss tends to be persistent and progressive. According to the American Society of Clinical Oncology, ongoing appetite suppression that lasts for several weeks and is not explained by temporary factors should be taken seriously, especially if it is accompanied by other symptoms such as weight loss or fatigue.

It is important to pay attention to changes in your eating habits. If you find yourself consistently uninterested in meals you used to enjoy, or if you skip meals without feeling hungry, consult a healthcare provider. Persistent loss of appetite warrants prompt evaluation to rule out serious underlying conditions, including stomach cancer.

9. Heartburn That Won’t Go Away

Chronic heartburn, also known as acid reflux, is a sensation of burning in the chest or upper abdomen that many people experience occasionally after eating spicy, fatty, or acidic foods. While typical heartburn is often temporary and relieved by over-the-counter antacids or lifestyle modifications, persistent heartburn that does not improve could be a warning sign of a more serious problem, including stomach cancer. Tumors can interfere with the stomach’s ability to process food and keep stomach acid where it belongs, leading to ongoing irritation and discomfort.

According to Cancer Research UK, heartburn that lasts for several weeks, recurs frequently, or worsens over time should not be ignored—especially if it is accompanied by other symptoms such as unexplained weight loss, trouble swallowing, or persistent indigestion. Unlike ordinary reflux, which is often clearly linked to certain food triggers, cancer-related heartburn may have no obvious cause and can persist despite standard treatments.

If you find that your heartburn is chronic, severe, or resistant to typical remedies, it’s important to seek further medical evaluation. Early assessment can help identify the underlying cause and ensure prompt, appropriate care if a serious condition is present.

10. Anemia (Low Red Blood Cells)

Anemia, characterized by a low red blood cell count, is a potential symptom of stomach cancer that may develop gradually and go unnoticed in the early stages. Tumors in the stomach can bleed slowly over time, leading to chronic internal blood loss. This loss may not be visible in vomit or stool, but it can significantly deplete the body’s iron stores and reduce the ability to transport oxygen throughout the body. As a result, individuals may experience persistent fatigue, weakness, shortness of breath, and noticeable pallor (pale skin or gums).

Unlike anemia related to dietary deficiencies or heavy menstruation, cancer-associated anemia is often unexplained and persistent. According to the American Cancer Society, unexplained anemia, especially when accompanied by digestive symptoms such as ongoing stomach pain, weight loss, or changes in appetite, should prompt further investigation. Blood tests are essential for diagnosing anemia and determining its cause.

If you notice signs of anemia—such as ongoing tiredness, dizziness, or a pale appearance—without an obvious explanation, consult your healthcare provider. Early detection through blood tests can help identify hidden internal bleeding and lead to a timely diagnosis of serious conditions like stomach cancer.

11. Fatigue

Fatigue is one of the most common and debilitating symptoms associated with many cancers, including stomach cancer. Unlike normal tiredness that resolves with rest, cancer-related fatigue is persistent, profound, and not relieved by sleep or downtime. Stomach cancer can cause fatigue in several ways: ongoing internal bleeding from tumors can lead to anemia, the body may divert energy to fight tumor growth, and nutritional deficiencies can develop from poor absorption of nutrients.

This type of fatigue often goes beyond feeling sleepy at the end of a long day; it may affect your ability to work, engage in hobbies, or even perform basic daily activities like showering or preparing meals. According to Cancer.Net, cancer-related fatigue is typically more severe and lasts longer than normal fatigue, and it can significantly disrupt your quality of life.

If you find that you are consistently exhausted, lack energy for usual tasks, or feel tired even after a full night’s sleep, consider speaking with your healthcare provider—especially if this tiredness is accompanied by other symptoms such as weight loss, appetite changes, or persistent digestive issues. Early evaluation is key to identifying underlying causes and improving outcomes.

12. Black or Tarry Stools

Black or tarry stools, medically known as melena, can be a critical indicator of bleeding within the upper gastrointestinal tract, including the stomach. When a tumor in the stomach bleeds, the blood is digested as it passes through the intestines, turning the stool a distinctive black and sticky consistency. This symptom is often one of the first outward signs of internal bleeding related to stomach cancer.

It’s important to differentiate black stools caused by gastrointestinal bleeding from those resulting from dietary factors or medications. Consuming certain foods (like black licorice or blueberries) or taking iron supplements and some medications (such as bismuth-containing antacids) can also darken stools. However, according to the American Cancer Society, stools caused by internal bleeding typically have a tar-like appearance and a distinct foul odor.

Any unexplained change in stool color, especially if stools are persistently black or tarry and you are not taking iron supplements, should be investigated without delay. Early evaluation by a healthcare professional can determine the underlying cause and is essential for diagnosing serious conditions like stomach cancer at an earlier, more treatable stage.

13. Swelling or Fluid in the Abdomen (Ascites)

Swelling or fluid buildup in the abdomen, medically referred to as ascites, can develop when stomach cancer spreads to the lining of the abdominal cavity or nearby organs. This process causes fluid to leak from irritated tissues and accumulate in the space around the organs, leading to visible abdominal distension and a feeling of tightness or heaviness. Unlike typical bloating, which comes and goes and is often related to diet or digestion, ascites tends to persist and may progressively worsen.

Ascites can be uncomfortable and may cause difficulty breathing, reduced appetite, and a general sense of unwellness. According to Cancer Research UK, the presence of ascites often signals advanced disease or cancer spread, making early recognition and medical evaluation extremely important. Swelling from ascites feels firmer and is less likely to resolve with simple measures like passing gas or changing diet, setting it apart from ordinary bloating.

If you notice persistent abdominal swelling, rapid weight gain, or a feeling of fullness unrelated to food intake, it is important to see a doctor. Prompt assessment can help identify the cause and allow for appropriate management of underlying conditions, including cancer.

14. Difficulty Swallowing (Dysphagia)

Difficulty swallowing, or dysphagia, can occur when a stomach tumor grows near the junction of the stomach and esophagus, creating a physical obstruction that makes it hard for food and liquids to pass smoothly. As the tumor enlarges, it can narrow the passage, causing a sensation of food “sticking” or getting caught during swallowing. This can lead to discomfort, coughing, choking, or even regurgitation of undigested food.

While swallowing difficulties are sometimes related to temporary conditions like throat infections, allergies, or acid reflux, these issues usually resolve with treatment or over time. In contrast, dysphagia associated with stomach cancer tends to be persistent and progressive, gradually worsening over weeks or months. According to the American Cancer Society, ongoing trouble swallowing—especially when accompanied by weight loss, pain, or other digestive symptoms—requires prompt medical attention.

If you experience frequent or worsening difficulty swallowing, or if it leads to changes in your eating habits or nutrition, do not ignore these symptoms. Early evaluation by a healthcare professional is essential to determine the cause and to begin appropriate treatment, particularly if cancer is suspected.

15. Vomiting Undigested Food

Vomiting undigested food can occur when a tumor in the stomach obstructs the normal passage of food into the small intestine. This blockage leads to delayed gastric emptying, causing food to remain in the stomach longer than it should. As a result, the stomach may eventually expel this undigested food through vomiting. Unlike occasional indigestion—where mild nausea or discomfort may occur after eating too quickly or consuming rich foods—vomiting undigested food is a more serious and persistent symptom.

This condition is not typically relieved by standard remedies for indigestion and may be accompanied by other signs such as unintentional weight loss, bloating, or pain. According to the American Cancer Society, repeated vomiting of undigested food is a red flag for a potential physical obstruction, such as a tumor at the outlet of the stomach.

If you notice that vomiting occurs several hours after eating and the food appears largely unchanged, it’s important to seek prompt medical evaluation. Persistent or recurrent episodes are not normal and warrant investigation to rule out cancer or other serious gastrointestinal disorders.

16. Loss of Taste or Altered Taste

Loss of taste (ageusia) or altered taste (dysgeusia) can be subtle symptoms associated with stomach cancer or its treatment. Cancer can affect taste perception by altering the body’s metabolism, causing inflammation, or impacting the nerves involved in taste. Sometimes, taste changes develop as a side effect of cancer treatments such as chemotherapy or radiation, but they may also be present even before diagnosis. Foods may start to taste bland, metallic, or unusually bitter, making eating less enjoyable and contributing to reduced appetite and weight loss.

Temporary changes in taste are common with colds, sinus infections, or certain medications, and these generally resolve once the underlying cause is treated. However, persistent or progressive loss of taste that cannot be explained by a recent illness or new medication should be carefully noted. According to Cancer.Net, sudden and ongoing taste changes should prompt further discussion with a healthcare provider, especially if accompanied by other digestive symptoms.

If you experience a lasting loss or alteration in your sense of taste without an obvious cause, it’s important to seek medical advice. Early recognition of this symptom can facilitate timely diagnosis and intervention.

17. Mild Fever or Night Sweats

Mild, persistent fever and night sweats can sometimes accompany stomach cancer due to the body’s immune response to abnormal cell growth. Cancer releases substances that trigger inflammation and disrupt the body’s temperature regulation, causing low-grade fevers that may go unnoticed or be mistaken for minor infections. Additionally, night sweats—intense sweating that soaks clothing or bedding—can occur as the body tries to rid itself of toxins or cope with internal stress created by the presence of a tumor.

Unlike the fevers and night sweats associated with acute infections, which are usually higher in intensity, short-lived, and linked to other signs like sore throat or cough, the symptoms related to cancer tend to be mild but persistent. According to the American Cancer Society, ongoing low-grade fever or unexplained night sweats, especially when combined with symptoms such as fatigue, weight loss, or digestive changes, should not be ignored.

If you notice persistent mild fever or recurrent night sweats without an obvious cause, particularly if they disrupt your sleep or are accompanied by other worrisome symptoms, consult your healthcare provider. Early evaluation is essential to determine the underlying cause and guide appropriate treatment.

18. Blood in the Stool (Visible or Occult)

Blood in the stool can be a warning sign of stomach cancer, especially when bleeding occurs from a tumor within the stomach lining. This bleeding may be obvious, appearing as bright red streaks or dark, maroon patches in the stool, or it may be “occult,” meaning it is hidden and only detectable through laboratory testing. Tumor-related bleeding is often intermittent and can result from the tumor eroding blood vessels or causing irritation in the gastrointestinal tract.

It is important to differentiate this kind of bleeding from more common causes, such as hemorrhoids or minor anal fissures, which typically produce bright red blood seen on toilet paper or the surface of the stool. In contrast, bleeding from higher up in the digestive tract, such as the stomach, is more likely to result in darker-colored stool or may not be visible at all. According to the American Cancer Society, any unexplained blood in or on the stool—whether visible or found through a fecal occult blood test—warrants prompt investigation.

If you notice blood in your stool or receive abnormal results from routine screening, seek medical attention. Timely evaluation is crucial for identifying the source and initiating appropriate treatment, especially if stomach cancer is suspected.

19. Persistent Hiccups

Persistent hiccups, though often dismissed as a minor annoyance, can occasionally be a sign of an underlying medical problem, including stomach cancer. Tumors in or near the stomach can irritate the diaphragm—the muscle that helps control breathing—either directly or by causing inflammation in nearby tissues. This irritation may trigger ongoing or frequent bouts of hiccups that are difficult to control or resolve.

Most people experience occasional hiccups, which are usually brief and related to eating too quickly, drinking carbonated beverages, or sudden excitement. These common hiccups typically go away on their own within a few minutes. However, according to Cancer Research UK, persistent hiccups that last more than 48 hours, or recur frequently without an obvious cause, can signal a serious medical issue, including gastrointestinal tumors or neurological conditions.

If you find that your hiccups are unusually frequent, prolonged, or accompanied by other symptoms such as difficulty swallowing, abdominal pain, or unexplained weight loss, it is important to consult a healthcare provider. Early evaluation can help identify the root cause and ensure appropriate care, especially if stomach cancer is a possibility.

20. Pale Skin or Jaundice

Pale skin (pallor) and jaundice (yellowing of the skin and eyes) are visible signs that may indicate advanced stomach cancer or cancer that has spread beyond the stomach. Pallor often develops as a result of anemia caused by chronic internal bleeding from a tumor, leaving the skin and mucous membranes noticeably lighter. Jaundice, on the other hand, occurs when cancer metastasizes to the liver or blocks the bile ducts, causing a buildup of bilirubin—a yellow pigment—in the bloodstream.

While jaundice is commonly associated with liver diseases such as hepatitis or gallstones, its sudden appearance in conjunction with other symptoms like abdominal pain, unexplained weight loss, or digestive issues should raise suspicion for possible cancer involvement. According to Cancer Research UK, additional symptoms that might accompany pallor or jaundice include dark urine, itchy skin, and persistent fatigue.

If you notice persistent paleness, yellowing of your skin or eyes, or any combination of these symptoms—especially if they are new or worsening—it is essential to seek medical evaluation promptly. Early recognition of these signs can help guide appropriate diagnostic testing and timely intervention, potentially improving outcomes.

21. Swollen Lymph Nodes (Above Collarbone)

Swollen lymph nodes, particularly those located above the collarbone (known as supraclavicular lymph nodes), can be a significant indicator of advanced stomach cancer. Cancer cells may spread from the stomach to distant lymph nodes through the lymphatic system, causing them to enlarge. These swollen nodes often feel hard, fixed, and are typically painless—distinguishing them from the tender, movable swelling associated with common infections such as colds or throat infections.

While lymph node swelling is frequently caused by benign conditions and infections, persistent or unexplained enlargement—especially above the collarbone—warrants careful evaluation. According to Cancer Research UK, supraclavicular lymph node enlargement can be one of the first visible signs of cancer spread and is sometimes referred to as Virchow’s node when linked to abdominal cancers like stomach cancer.

If you discover a hard, painless lump above your collarbone that does not resolve within a couple of weeks, or if you experience other symptoms such as unexplained weight loss, persistent fatigue, or digestive complaints, consult a healthcare provider promptly. Early assessment can help determine the cause of lymph node swelling and direct appropriate diagnostic and therapeutic steps.

22. Unexplained Back Pain

Unexplained back pain can sometimes be a hidden symptom of stomach cancer, particularly when the disease has progressed or spread to nearby structures. Tumors located at the back wall of the stomach or those that invade surrounding tissues can irritate nerves or organs, causing pain that radiates to the mid or lower back. This type of pain may be persistent, dull, or aching, and unlike muscle strain, it is not typically linked to recent physical activity, injury, or changes in posture.

Muscle-related back pain often improves with rest, stretching, or over-the-counter pain relievers. In contrast, cancer-related back pain tends to be constant, may worsen at night, and is often accompanied by other symptoms such as unexplained weight loss, fatigue, or digestive issues. According to the American Cancer Society, any persistent, unexplained back pain—especially when associated with risk factors or other warning signs—should be carefully evaluated.

If you experience ongoing back pain that does not improve with typical measures or is accompanied by additional concerning symptoms, seek medical advice. Early assessment can help identify the underlying cause, including the possibility of stomach cancer, and guide timely treatment.

23. Frequent Belching

Frequent belching, or burping, can be more than just a result of swallowing air or eating certain foods. In the context of stomach cancer, tumors can disrupt the normal digestive process, causing food and gas to move more slowly through the stomach. This slowed digestion can lead to increased gas production and a sensation of fullness, prompting the body to expel excess air more often through belching. While occasional belching is common after carbonated drinks or large meals, a noticeable increase without clear dietary triggers should be monitored closely.

Dietary causes of belching—such as consuming beans, onions, or fizzy beverages—are usually easy to identify and manage. However, when belching becomes persistent or is accompanied by other symptoms like bloating, early satiety, or abdominal discomfort, it may signal an underlying digestive disorder. According to Cancer Research UK, new or unexplained patterns of frequent belching, especially in adults over age 55 or those with additional risk factors, merit further medical evaluation.

If you experience an ongoing change in your belching habits that doesn’t improve with dietary changes or is linked to other digestive symptoms, consult your healthcare provider. Early recognition allows for timely investigation and intervention.

24. Weakness or Dizziness

Weakness and dizziness are symptoms that can develop in individuals with stomach cancer, often as a result of anemia or malnutrition. Chronic blood loss from a tumor can lead to a significant reduction in red blood cell levels, decreasing the amount of oxygen delivered throughout the body. This can result in persistent weakness, lightheadedness, or episodes of dizziness—especially when standing up quickly. Additionally, malnutrition from poor nutrient absorption or loss of appetite further contributes to these symptoms, making daily tasks increasingly difficult.

In contrast, weakness or dizziness from overexertion, dehydration, or lack of sleep is usually temporary and resolves with rest, hydration, or improved sleep. According to the American Cancer Society, persistent or unexplained weakness and dizziness, especially when associated with other symptoms such as weight loss, paleness, or digestive complaints, should prompt a thorough medical evaluation.

If you notice that weakness or dizziness is interfering with your daily activities, occurs without clear reason, or persists despite rest and self-care measures, it’s important to consult a healthcare provider. Early identification of the underlying cause can lead to effective management and improved health outcomes.

25. Unusual Taste in the Mouth

An unusual or persistent taste in the mouth, such as a metallic, bitter, or sour sensation, can sometimes be linked to stomach cancer. Cancer can alter taste sensation by affecting the nerves responsible for taste, changing the chemical makeup of saliva, or causing metabolic shifts that influence how flavors are perceived. These changes in taste may develop gradually and persist, even without obvious triggers.

Oral infections, dental problems, or certain medications are more common causes of a strange taste in the mouth. In these cases, the taste change is usually temporary and improves with treatment of the underlying issue, such as antibiotics for an infection or dental care. According to Cancer.Net, taste changes related to cancer, however, may be more persistent and are sometimes accompanied by other symptoms such as loss of appetite, weight loss, or nausea.

If you notice an unusual taste in your mouth that does not resolve after addressing oral hygiene, infections, or medication changes—and especially if it is associated with other unexplained symptoms—it is important to consult your healthcare provider. Persistent taste alterations should be investigated to rule out underlying conditions, including stomach cancer.

26. Shortness of Breath

Shortness of breath, or dyspnea, can be an alarming symptom in people with stomach cancer, particularly if the condition has led to severe anemia or has advanced to involve other organs. When stomach cancer causes chronic internal bleeding, the resulting anemia lowers the body’s red blood cell count, reducing oxygen delivery to tissues. This lack of oxygen can make even mild exertion feel exhausting and leave you feeling breathless. In more advanced cases, cancer that spreads to the lungs or causes significant abdominal swelling (ascites) can further restrict normal breathing.

Unlike shortness of breath associated with allergies, asthma, or respiratory infections—which typically comes with coughing, wheezing, or is triggered by specific allergens—cancer-related shortness of breath tends to be persistent and may worsen over time. According to the American Cancer Society, unexplained or progressive shortness of breath, especially when paired with other concerning symptoms such as fatigue, weakness, or chest discomfort, requires prompt medical evaluation.

If you develop new or worsening breathlessness without an apparent cause, do not ignore it. Timely medical assessment can help determine the underlying reason and allow for rapid intervention, potentially improving both quality of life and prognosis.

27. Mild Temperature Elevation

Mild temperature elevation, or persistent low-grade fevers, can sometimes be a subtle sign of stomach cancer. Cancer creates ongoing inflammation in the body, and the immune system may respond by slightly raising the body’s core temperature. These fevers are often less dramatic than those caused by infections, usually hovering around 37.5-38°C (99.5-100.4°F), and may be easily overlooked or attributed to minor illnesses.

Unlike the high, sudden fevers seen with bacterial or viral infections—which are frequently accompanied by chills, sore throat, or productive cough—cancer-related fevers tend to be chronic, mild, and unaccompanied by acute infection symptoms. According to the American Cancer Society, ongoing low-grade fever can be a sign of an underlying malignancy, especially when paired with other symptoms such as unexplained weight loss, fatigue, or night sweats.

If you notice that you have a persistent mild fever that does not resolve over several days or weeks, and it cannot be explained by recent illness or other obvious causes, consult your healthcare provider. Consistent monitoring and early evaluation are vital for uncovering and addressing serious underlying conditions like stomach cancer.

28. Constipation

Constipation, defined as infrequent or difficult bowel movements, can sometimes occur as a result of stomach cancer. Tumors in the stomach may slow down the normal digestive process by partially blocking the passage of food or disrupting the nerves that control gut movement. This can lead to harder, drier stools and a sensation of incomplete evacuation. In some cases, cancer-related pain, immobility, or the use of certain medications such as opioids can further contribute to constipation.

Most cases of constipation are related to dietary factors, such as insufficient fiber intake, dehydration, or changes in routine. These typically improve with simple lifestyle modifications, including increased fluid and fiber consumption or regular exercise. However, according to Cancer Research UK, persistent constipation that does not improve with typical measures—or is accompanied by additional symptoms like abdominal pain, blood in the stool, or unintentional weight loss—should not be ignored, particularly in older adults or those with risk factors for digestive cancers.

If you experience ongoing constipation without an obvious cause or if it becomes progressively worse, consult your healthcare provider. Early assessment is important to determine the underlying cause and to rule out serious conditions such as stomach cancer.

29. Diarrhea

Diarrhea, characterized by frequent, loose, or watery stools, can sometimes occur in individuals with stomach cancer. Tumors may disrupt the stomach’s ability to properly digest and empty food, altering the normal function of the intestines. This can result in malabsorption, increased fluid in the bowel, and frequent episodes of diarrhea. Additionally, certain cancer treatments, infections, or the body’s response to tumor-related inflammation can further contribute to ongoing digestive upset.

Acute diarrhea is most often caused by infections, food poisoning, or changes in diet, and typically resolves within a few days with supportive care. However, diarrhea related to cancer is usually persistent, may be accompanied by symptoms such as abdominal pain, weight loss, or blood in the stool, and does not improve with standard home remedies. According to the American Cancer Society, ongoing or unexplained diarrhea, especially in adults over 50 or those with other risk factors, should always be evaluated by a healthcare provider.

If you experience diarrhea that lasts for more than a week, is associated with other concerning symptoms, or cannot be explained by infection or medication, seek prompt medical attention. Early evaluation can help determine the cause and lead to effective treatment.

30. Unexplained Bruising

Unexplained bruising can be a subtle but important symptom of advanced stomach cancer. As cancer progresses, it can interfere with the body’s ability to produce platelets—cells critical for blood clotting—especially if the disease affects the bone marrow, liver, or causes significant nutritional deficiencies. Reduced platelet counts or impaired clotting factors can make it easier for bruising to occur even with minimal or no obvious trauma. These bruises often appear as dark purple or blue marks on the skin and may take longer than usual to heal.

Most bruises are the result of minor injuries, bumps, or falls, and are easily explained by recent activity. In contrast, bruising associated with cancer or other serious medical conditions is often spontaneous, more widespread, and may be accompanied by other warning signs such as fatigue, bleeding gums, or frequent nosebleeds. According to Cancer Research UK, any new, unexplained, or persistent bruising—especially when it is not linked to an obvious cause—should be evaluated by a healthcare provider.

If you notice bruising that appears without clear reason or is accompanied by other symptoms, seek medical advice promptly. Early assessment can help diagnose underlying issues, including blood disorders or cancer, and guide appropriate treatment.

31. Muscle Wasting (Cachexia)

Muscle wasting, medically referred to as cachexia, is a profound loss of muscle mass and strength that can occur in individuals with advanced stomach cancer. Unlike simple weight loss due to dieting or reduced calorie intake—where fat loss is more common—cachexia involves a rapid breakdown of both fat and muscle. Cancer disrupts normal metabolism by releasing various substances that increase energy expenditure and promote muscle degradation, even if a person is eating regularly.

This process results in visible muscle changes, such as thinning of the arms and legs, sunken cheeks, and generalized weakness that impairs daily activities. According to the National Cancer Institute, cachexia is difficult to reverse with nutrition alone and is a marker of significant underlying illness. It often develops alongside other symptoms, such as loss of appetite, fatigue, and unintentional weight loss.

If you or a loved one notices marked muscle thinning, weakness, or decreased physical function not explained by changes in activity or diet, it’s important to seek medical evaluation. Early recognition of cachexia is crucial for optimal symptom management and for addressing the underlying cause, such as stomach cancer.

32. Weak Nails or Hair Loss

Weak or brittle nails and hair loss can be subtle signs of malnutrition, a common complication in people with stomach cancer. Tumors may interfere with the stomach’s ability to absorb essential nutrients—such as protein, iron, zinc, and vitamins—which are critical for maintaining healthy hair and nail growth. As a result, individuals may notice their nails becoming thin, ridged, or prone to splitting, while hair may fall out more easily or become thinner and less vibrant.

While hair thinning and nail changes can also occur as a natural part of aging, or be triggered by stress, hormonal shifts, or certain medications, these causes are often temporary or resolve with lifestyle adjustments. In contrast, changes related to malnutrition from cancer tend to be persistent and progressive, often accompanied by other symptoms like weight loss, fatigue, or loss of appetite. According to the American Cancer Society, persistent alterations in hair or nail health should not be ignored, especially when they occur alongside other unexplained changes.

If you experience ongoing hair loss or nail fragility that does not improve with diet or self-care, consult your healthcare provider. Early evaluation can help identify underlying nutritional deficiencies or more serious conditions such as stomach cancer.

33. Numbness or Tingling in Hands/Feet

Numbness or tingling sensations in the hands or feet, known as peripheral neuropathy, can sometimes develop in individuals with stomach cancer. Tumors may indirectly affect nerve function by causing severe nutritional deficiencies, such as low levels of vitamin B12, or by leading to anemia, which impairs oxygen delivery to nerves. In some cases, cancer itself or its treatments (like certain chemotherapy drugs) can damage peripheral nerves, resulting in these abnormal sensations.

While numbness and tingling are commonly linked to conditions like carpal tunnel syndrome or compression injuries, these causes are usually associated with repetitive movement, injury, or specific positions and tend to improve with rest or ergonomic adjustments. Cancer-related neuropathy, however, is often more widespread, persistent, and may not correlate with physical activity. According to Cancer.Net, new or worsening numbness or tingling, especially when accompanied by other symptoms such as weakness, difficulty walking, or unexplained weight loss, should be evaluated by a healthcare professional.

If you develop persistent numbness or tingling in your extremities without a clear cause, seek prompt medical advice. Early diagnosis can help address underlying deficiencies or nerve damage and improve quality of life.

34. Unusual Body Odor

Unusual or persistent body odor can sometimes be a sign of underlying metabolic changes caused by serious illnesses, including stomach cancer. As cancer disrupts the body’s normal metabolic processes, it may produce byproducts that are excreted through sweat, resulting in a noticeable change in body odor. These metabolic alterations can lead to smells that are sour, sweet, or otherwise atypical compared to your usual scent. In some cases, related symptoms such as fever, weight loss, or excessive sweating may also contribute to a change in body odor.

Most cases of body odor are related to hygiene, diet, or physical activity. Sweating after exercise, consuming certain foods like garlic or onions, or inadequate bathing are common and easily addressed causes. In contrast, persistent unusual odors that do not improve with regular hygiene routines may signal an underlying health issue. According to Cancer Treatment Centers of America, unexplained changes in body odor, especially when combined with other symptoms of illness, should not be ignored.

If you notice a new or persistent body odor that is not related to changes in hygiene or diet, and it is accompanied by other symptoms, consult your healthcare provider. Early medical evaluation can help identify potential causes, including metabolic or malignant conditions.

35. Difficulty Processing Alcohol

Difficulty processing alcohol, such as experiencing heightened sensitivity, increased discomfort, or rapid intoxication after consuming even small amounts, can sometimes be linked to changes in the stomach lining caused by cancer. Tumors and chronic inflammation may reduce the stomach’s ability to break down alcohol efficiently, leading to more pronounced effects or adverse reactions. This can manifest as flushing, nausea, abdominal pain, or feeling unwell after drinking amounts of alcohol that previously caused no issues.

While liver diseases like hepatitis or cirrhosis are well-known for affecting alcohol tolerance—due to impaired breakdown and elimination of alcohol from the bloodstream—stomach cancer can have a similar impact by disrupting the initial steps of alcohol metabolism in the digestive tract. According to Cancer Research UK, sudden changes in alcohol tolerance or the development of new symptoms after drinking should not be ignored.

If you find that you react differently to alcohol than you used to, or if you experience persistent digestive symptoms after drinking, it’s important to take note—especially if this occurs alongside other warning signs such as appetite loss or abdominal pain. Discuss any new or worsening symptoms with your healthcare provider for further evaluation.

36. Mild Swelling in Legs (Edema)

Mild swelling in the legs, or edema, can sometimes be an indicator of underlying stomach cancer, particularly in advanced cases. This swelling occurs when fluid accumulates in the tissues, often as a result of low protein levels in the blood (hypoalbuminemia) due to poor nutrition or protein loss from a cancerous stomach. Additionally, if the cancer spreads to the liver or lymphatic system, it can further disrupt fluid balance and cause swelling in the lower extremities.

Leg swelling from cancer is typically persistent and may be accompanied by other symptoms such as fatigue, abdominal swelling, or unexplained weight gain. In contrast, edema due to heart failure, kidney disease, or venous insufficiency often comes with additional symptoms like shortness of breath, chest pain, or varicose veins. According to the American Cancer Society, persistent or unexplained swelling of the legs, especially when it is not explained by recent injury or extended periods of sitting or standing, should be evaluated by a healthcare provider.

If you notice mild but persistent swelling in your legs or ankles, pay attention to any accompanying symptoms and seek medical advice. Early identification of the underlying cause is crucial for proper management and improved outcomes.

37. Frequent Infections

Frequent infections can be a sign that the body’s immune system is compromised, a condition that may arise in individuals with stomach cancer. Cancer can weaken immunity by directly interfering with the production of white blood cells, depleting the body’s nutritional reserves, and causing chronic inflammation. This weakened state makes it harder for the body to fend off common pathogens, leading to an increased risk of bacterial, viral, or fungal infections—such as repeated colds, respiratory infections, or skin problems.

While most people experience occasional illnesses during certain seasons or after exposure to sick contacts, these typically resolve quickly and occur sporadically. In contrast, cancer-related immune suppression often results in infections that are more frequent, severe, or difficult to treat. According to the American Cancer Society, a noticeable increase in infections—especially when associated with other symptoms like persistent fatigue, fever, or unexplained weight loss—should prompt further medical investigation.

If you find yourself getting sick more often than usual, or experiencing infections that linger or recur despite treatment, it is important to consult your healthcare provider. Early identification of immune suppression can help guide diagnostic testing and appropriate intervention for underlying conditions, including stomach cancer.

38. Itchy Skin

Itchy skin, or pruritus, can occasionally serve as a subtle warning sign of underlying stomach cancer, especially if the disease has spread to the liver or caused bile duct obstruction. When stomach cancer metastasizes to the liver, it can lead to jaundice—a buildup of bilirubin in the bloodstream. Elevated bilirubin levels irritate nerve endings in the skin, resulting in persistent itchiness that may not be accompanied by a visible rash.

In contrast, most common causes of itchy skin stem from allergies, contact dermatitis, or dry skin, and are typically associated with localized rashes, redness, or clear triggers such as new soaps or fabrics. These forms of itchiness generally resolve with topical treatments or avoidance of the irritant. According to Cancer Research UK, unexplained, widespread, or persistent itchiness—particularly when associated with other signs of jaundice such as yellowing of the skin or eyes—should not be ignored.

If you experience lasting or generalized itchiness without an obvious cause, or if it is accompanied by other symptoms like dark urine, pale stools, or fatigue, it’s important to seek medical evaluation. Early assessment can uncover underlying liver or gastrointestinal issues, including the possibility of stomach cancer.

39. Reduced Urine Output

Reduced urine output, known as oliguria, can be a subtle but important symptom in individuals with stomach cancer. This decrease may occur due to dehydration caused by persistent vomiting, diarrhea, or poor fluid intake—common issues as the disease progresses. Additionally, advanced cancer can impact kidney function directly or indirectly by spreading to the kidneys or causing blockages. The result is less frequent urination, smaller urine volumes, or darker-colored urine than usual.

Normal fluctuations in urine output are expected with changes in fluid intake, temperature, or physical activity, and these variations are typically short-lived. However, ongoing reduction in urine output without an obvious explanation should not be ignored. According to the American Cancer Society, persistent changes in urination—especially when accompanied by other symptoms like swelling, fatigue, or abdominal pain—require prompt medical attention.

If you notice that you are urinating less frequently, passing very little urine, or your urine is consistently darker than normal, consult your healthcare provider. Early assessment can help identify dehydration, kidney involvement, or other complications related to stomach cancer, allowing for timely management and improved outcomes.

40. Bad Breath (Halitosis)

Bad breath, or halitosis, can be more than just a result of poor oral hygiene; it may also be linked to underlying digestive issues, including stomach cancer. When tumors disrupt the normal digestive process, food can remain in the stomach longer, leading to bacterial overgrowth, fermentation, and the release of foul-smelling compounds. In addition, infections or tissue breakdown associated with advanced cancer can contribute to persistent bad breath that is not alleviated by brushing or mouthwash.

Most cases of halitosis are related to oral hygiene problems, such as tooth decay, gum disease, or a dry mouth, and typically improve with regular dental care and hydration. However, according to Cancer Treatment Centers of America, persistent bad breath that does not respond to oral care may indicate gastrointestinal or systemic health problems, including cancer.

If you notice ongoing halitosis that cannot be explained by your dental routine, recent food choices, or mild infections, and especially if it is accompanied by other symptoms like indigestion, weight loss, or changes in appetite, it is important to consult a healthcare provider. Early investigation can help identify the underlying cause and ensure appropriate treatment.

41. Persistent Cough

A persistent cough can occasionally be a sign of advanced stomach cancer, especially if the disease has spread beyond the stomach. Tumors located near the diaphragm may irritate this muscle, triggering a chronic cough reflex. In some cases, stomach cancer can metastasize to the lungs, directly affecting lung tissue or airways and leading to a cough that does not resolve. This symptom is often dry and persistent but may also be accompanied by shortness of breath, chest discomfort, or even coughing up blood in severe cases.

Most coughs are caused by common colds, respiratory infections, or allergies and typically resolve within a couple of weeks with rest and appropriate treatment. These coughs often present with other symptoms such as sore throat, nasal congestion, or fever. In contrast, a cough related to cancer tends to be long-lasting (more than three weeks), may worsen over time, and is not associated with typical cold or allergy triggers. According to the American Cancer Society, any unexplained chronic cough, especially when accompanied by other warning signs, should be evaluated by a healthcare provider.

If you develop a persistent cough that does not improve or is associated with additional symptoms, seek medical advice to rule out serious conditions, including cancer.

42. Hoarseness

Hoarseness, or a persistent change in the quality of your voice, can be an unusual but significant symptom in the context of stomach cancer. Advanced cancer may lead to hoarseness in two primary ways: through acid reflux and by metastasizing to nearby organs, such as lymph nodes or the lungs. Reflux caused by a stomach tumor can push acidic contents up the esophagus, irritating the vocal cords and resulting in a raspy, weak, or strained voice. Additionally, if cancer spreads to the chest or neck, it can directly affect nerves that control the vocal cords, further altering your voice.

Most cases of hoarseness are due to benign causes like laryngitis, typically resulting from viral infections, overuse of the voice, or seasonal allergies. These usually resolve within a week or two with rest and hydration. However, according to the American Cancer Society, ongoing hoarseness lasting more than three weeks, especially in the absence of cold symptoms or after other causes have been ruled out, should prompt further medical evaluation.

If you notice a persistent change in your voice that doesn’t improve with standard remedies, particularly if accompanied by other symptoms like swallowing difficulties or cough, consult your healthcare provider for a thorough assessment.

43. Unexplained Depression or Mood Changes

Unexplained depression or mood changes can sometimes be an overlooked symptom of chronic illnesses, including stomach cancer. The body’s response to cancer involves complex chemical and hormonal changes that may directly affect brain function, leading to persistent sadness, anxiety, irritability, or emotional numbness. In addition, the physical toll of cancer—such as fatigue, pain, or appetite loss—can further contribute to emotional distress, creating a cycle that impacts quality of life.

Situational depression is typically related to specific life events or stressors, such as job loss, bereavement, or relationship challenges, and often improves as circumstances change or with support. In contrast, mood changes associated with chronic illness are usually persistent and may not have an obvious external cause. According to the American Cancer Society, new or worsening depression, hopelessness, or loss of interest in daily activities—especially when accompanied by physical symptoms—should not be ignored.

If you or a loved one experience unexplained or persistent mood changes, seek support from a healthcare provider or mental health professional. Early attention to emotional well-being is as important as managing physical symptoms and can significantly impact overall health and recovery.

44. Swallowing Pain (Odynophagia)

Swallowing pain, or odynophagia, can occur when a stomach tumor grows near the junction with the esophagus or invades nearby tissues, causing inflammation or ulceration. This pain may be sharp, burning, or cramping and is often triggered or worsened by eating or drinking. As the tumor increases in size, it can make swallowing increasingly uncomfortable, sometimes leading to avoidance of meals, rapid weight loss, and a decline in nutritional status.

Most people experience occasional pain while swallowing due to common issues like a sore throat from viral infections, allergies, or minor injuries from hot or rough foods. These causes are generally short-lived and resolve with rest and symptomatic care. In contrast, pain from cancer-related odynophagia is more persistent and often progressive, lacking the typical signs of infection such as fever or swollen glands. According to the American Cancer Society, ongoing swallowing pain—especially when associated with difficulty swallowing, weight loss, or other digestive symptoms—should be evaluated by a healthcare provider.

If you experience swallowing pain that does not resolve within a week or two, or if it worsens over time, prompt medical evaluation is essential to determine the underlying cause and begin appropriate treatment.

45. Chronic Cramps

Chronic abdominal cramps can be an indicator of underlying digestive issues, including the presence of a stomach tumor. Tumors can irritate the stomach lining, disrupt normal digestive function, or cause partial obstructions, leading to repeated or persistent cramping sensations. These cramps may not be linked to eating patterns and can occur at any time, often becoming more pronounced as the disease progresses. Unlike acute cramps caused by food poisoning or temporary gastrointestinal upset, cancer-related cramps tend to be ongoing and progressively worsen.

Menstrual cramps are a common cause of abdominal pain in women, typically following a predictable monthly pattern and resolving once the menstrual period ends. In contrast, chronic cramps related to stomach cancer are not tied to the menstrual cycle and are often accompanied by other symptoms such as bloating, weight loss, or changes in bowel habits. According to the American Cancer Society, persistent or unexplained abdominal cramping that lasts for several weeks should not be ignored, especially if it does not respond to usual self-care measures.

If you experience prolonged cramping without an obvious cause, particularly when associated with other gastrointestinal symptoms, seek medical attention for further evaluation and appropriate management.

46. Difficulty Passing Gas

Difficulty passing gas may seem like a minor inconvenience, but it can sometimes signal a serious underlying digestive issue, including stomach cancer. Tumors in the stomach or along the digestive tract can partially obstruct the passage of food and gas, leading to a sensation of trapped gas, bloating, and abdominal discomfort. This obstruction prevents normal movement of gas through the intestines, which may result in increased abdominal pressure, pain, and visible distension.

Dietary changes, such as increased intake of fiber-rich foods, carbonated beverages, or certain vegetables, are common causes of temporary gas buildup. These symptoms typically resolve with time, dietary adjustments, or over-the-counter remedies. However, according to Cancer Research UK, persistent or unexplained difficulty passing gas—especially when associated with other symptoms like constipation, severe bloating, or abdominal pain—should not be ignored, as it may indicate a structural problem in the digestive tract.

If you experience new or worsening difficulty passing gas, or if it is accompanied by additional digestive symptoms that do not improve with dietary changes, consult your healthcare provider. Early evaluation can help identify and address underlying causes, including potential obstructions from stomach cancer.

47. Sensation of Lump in the Abdomen

A sensation of a lump or mass in the abdomen can be a noticeable but often overlooked symptom of stomach cancer. As a tumor grows, it may become large enough to be felt as a firm or irregular swelling in the upper or middle abdomen, particularly when lying down or pressing gently on the area. This mass may be painless or cause mild discomfort, and in some cases, it may be associated with additional symptoms such as bloating, early satiety, or unintentional weight loss.

Benign cysts, fatty lumps (lipomas), or muscle knots can also create the sensation of a lump in the abdomen. These conditions are typically harmless and may remain unchanged for years, rarely causing significant symptoms. However, any new, persistent, or enlarging mass in the abdominal region should not be ignored. According to the American Cancer Society, a palpable mass in the abdomen is a potential warning sign of an underlying malignancy and warrants further investigation.

If you notice a lump or unusual swelling in your abdomen—especially if it is accompanied by other digestive or systemic symptoms—schedule a medical assessment promptly. Early evaluation is essential for accurate diagnosis and timely treatment.

48. Recurrent Mouth Ulcers

Recurrent mouth ulcers, or sores inside the mouth that heal and return frequently, can sometimes be linked to nutrient deficiencies resulting from stomach cancer. As a tumor interferes with the body’s ability to absorb essential vitamins and minerals—such as iron, folate, and vitamin B12—these deficiencies can weaken the mucosal lining of the mouth, making it more susceptible to ulceration. Cancer-related mouth ulcers may also be larger, more painful, and slower to heal compared to typical canker sores.

Most people experience occasional canker sores due to minor trauma, stress, hormonal changes, or food sensitivities. These common ulcers usually heal within a week or two and are not associated with other systemic symptoms. In contrast, according to Cancer Research UK, mouth ulcers that recur frequently, heal slowly, or are accompanied by other signs of malnutrition—such as fatigue, pale skin, or weight loss—warrant further investigation.

If you develop mouth ulcers repeatedly or notice they persist longer than usual, especially when associated with additional symptoms, consult your healthcare provider. Early detection of underlying nutritional deficiencies or other health issues, including stomach cancer, is important for prompt and effective care.

49. Swelling Around the Eyes

Swelling around the eyes, also known as periorbital edema, can sometimes occur in individuals with advanced stomach cancer due to low protein levels in the blood (hypoalbuminemia). Tumors may interfere with the body’s ability to absorb or utilize protein, leading to a drop in oncotic pressure and causing fluid to leak into soft tissues, including the delicate area around the eyes. This swelling is often most noticeable in the morning and may be accompanied by puffiness in the face or other parts of the body, such as the legs.

Allergies are a common cause of periorbital swelling, usually accompanied by redness, itching, or watery eyes, and often triggered by environmental exposures such as pollen, dust, or pet dander. Unlike allergic swelling, which tends to resolve with antihistamines or avoidance of the allergen, swelling from low protein levels is persistent and may gradually worsen over time. According to the American Cancer Society, facial swelling—especially when combined with other symptoms like fatigue, loss of appetite, or leg edema—should be evaluated by a healthcare provider.

If you experience unexplained or ongoing swelling around the eyes, seek medical advice. Early assessment can help identify underlying causes, such as malnutrition or serious illness, and enable timely intervention.

50. Red or Purple Spots on Skin (Petechiae)

Red or purple spots on the skin, known as petechiae, can appear when tiny blood vessels (capillaries) break and bleed into the skin. In the context of stomach cancer, these spots may be a sign of a bleeding or clotting disorder, often resulting from cancer’s impact on platelet production or function. Advanced cancer can lead to low platelet counts (thrombocytopenia) due to bone marrow involvement, nutritional deficiencies, or the effects of certain cancer treatments. Petechiae are typically small, pinpoint-sized, flat, and do not fade when pressed.

Unlike bruises, which are larger, raised, and change color as they heal, petechiae appear suddenly, often in clusters, and may be most noticeable on the lower legs or inside the mouth. While minor trauma or vigorous coughing can sometimes cause petechiae, their spontaneous appearance—especially in the absence of obvious injury—should not be ignored. According to the American Cancer Society, new or unexplained skin changes, including petechiae, warrant careful evaluation.

If you notice a sudden development of red or purple spots on your skin, particularly when accompanied by other symptoms such as fatigue, easy bruising, or bleeding gums, consult your healthcare provider for prompt assessment and testing.

Conclusion

Stomach cancer often develops silently, with symptoms that are subtle, vague, or easily mistaken for minor ailments. Recognizing these overlooked signs is critical, as early detection dramatically improves treatment options and outcomes. If you notice one or more persistent symptoms discussed above—especially if they are new, unexplained, or worsening—don’t ignore them. Consult a healthcare professional promptly for evaluation or screening. For more information about warning signs and the importance of timely diagnosis, visit the American Cancer Society or Cancer Research UK. Being vigilant about your health can make a life-saving difference.

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