NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,899 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.

neuroendocrine carcinoma of the skin
(NOOR-oh-EN-doh-krin KAR-sih-NOH-muh …)
A rare type of cancer that forms on or just beneath the skin, usually in parts of the body that have been exposed to the sun. It is most common in older people and in people with weakened immune systems. Also called Merkel cell cancer, Merkel cell carcinoma, and trabecular cancer.