Intraepithelial neoplasia

A condition in which abnormal cells are found on the surface of or in the tissue that lines an organ, such as the prostate, breast, or cervix. The changes in the cells may be low grade or high grade, depending on how much of the tissue is affected and how abnormal the cells look under a microscope. Sometimes, the abnormal cells may become cancer and spread to nearby normal tissue. Also called IEN.

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