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.

stage 0 nonmelanoma skin carcinoma in situ on the eyelid
(... non-MEH-luh-NOH-muh skin KAR-sih-NOH-muh in SY-too ... I-lid)
Abnormal cells are found in the epidermis (topmost layer of the skin). These abnormal cells may become cancer and spread into nearby normal tissue. Also called nonmelanoma skin carcinoma in situ on the eyelid.