NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,926 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.

plexiform neurofibroma
(PLEK-sih-form NOOR-oh-fy-BROH-muh)
A nerve that has become thick and misshapen due to the abnormal growth of cells and tissues that cover the nerve.