NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 8,036 terms related to cancer and medicine.

stage 0 melanoma
(... MEH-luh-NOH-muh)
Abnormal melanocytes (cells that make melanin, the pigment that gives skin its color) are found in the epidermis (outer layer of the skin). These abnormal melanocytes may become cancer and spread into nearby normal tissue. Also called melanoma in situ.