NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 8,018 terms related to cancer and medicine.

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pinealoma
(PIH-nee-uh-LOH-muh)
A type of brain tumor that forms in or around the pineal gland (a tiny organ near the center of the brain). Pinealomas may be benign (not cancer) or malignant (cancer). They include pineocytomas, pineoblastomas, and pineal germinomas. Also called pineal region tumor.