Brain tumors are abnormal growths of cells in or around the brain. They can be primary (originating in the brain) or secondary (metastatic, spreading to the brain from cancer elsewhere). They can also ...
These tumors arise in the region of the pineal gland, a small structure deep within the brain. They account for about 1 percent of brain tumors, but make up 3 percent to 8 percent of the intracranial ...
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