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Brain Tumor

Brain Tumor

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

See the online booklet What You Need To Know About™ Brain Tumors to learn about brain tumor symptoms, diagnosis, treatment, and questions to ask the doctor.

For an overview of research advances, see Cancer Advances In Focus: Brain and Other Central Nervous System Cancers.

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