Doctors! what actually are the symtoms of a brain tumor or brain cancer?

Depends on location: Importantly, realize that brain tumor does not equate brain cancer. Depending size and location of the brain cancer, various symptoms can occur. A large tumor usually creates headache, nausea or vomiting. Depending on location, it can cause many symptoms including; weakness, visual or sensory changes, aphasia (loss of speech) or seizures.