NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,846 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.

compound nevus
(KOM-pownd NEE-vus)
A type of mole formed by groups of nevus cells found in the epidermis and dermis (the two main layers of tissue that make up the skin).