NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,804 terms related to cancer and medicine.

Browse the dictionary by selecting a letter of the alphabet or by entering a cancer-related word or phrase in the search box.

pineoblastoma
(PIH-nee-oh-blas-TOH-muh)
A fast growing type of brain tumor that occurs in or around the pineal gland, a tiny organ near the center of the brain.