NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,800 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.

vulvar intraepithelial neoplasia
(VUL-ver IN-truh-eh-pih-THEE-lee-ul NEE-oh-PLAY-zhuh)
Abnormal cells are found on the surface of the vulvar skin. These abnormal cells may become cancer and spread into nearby tissue. Also called VIN and vulvar carcinoma in situ.