Definition of brain tumor: The growth of abnormal cells in the tissues of the brain. Brain tumors can be benign (not cancer) or malignant (cancer).
Estimated new cases and deaths from brain and other nervous system cancers in the United States in 2014:
- New cases: 23,380
- Deaths: 14,320
Treatment
Information about treatment, including surgery, chemotherapy, radiation therapy, immunotherapy, and vaccine therapy