NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,812 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.

sclerosing adenosis
(skleh-ROH-sing A-deh-NOH-sis)
A benign condition in which scar-like tissue is found in a gland, such as the breast lobules or the prostate. A biopsy may be needed to tell the difference between the abnormal tissue and cancer. Women with sclerosing adenosis of the breast may have a slightly increased risk of breast cancer.