

A primary brain tumor is a group (mass) of abnormal cells that start in the brain. This article focuses on primary brain tumors in adults.
See also:
Glioblastoma multiforme - adults; Ependymoma - adults; Glioma - adults; Astrocytoma - adults; Medulloblastoma - adults; Neuroglioma - adults; Oligodendroglioma - adults; Meningioma - adults; Cancer - brain tumor (adults)