Unfortunately, this is one of the most serious symptoms of brain cancer. Speech difficulties are a sign that the patient is suffering brain damage and a general deterioration. We often associate speech problems with strokes but this is also a form of brain damage after disrupted blood flow.
It’s crucial to seek immediate medical care if a loved one is experiencing speech difficulties because something is seriously wrong. This is about limiting damage and potentially saving their life because it can degrade quickly. Speech difficulties are never a good thing except after a few too many drinks! (via Johns Hopkins Medicine)