NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,863 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.

fatty-replaced breast tissue
(FA-tee-reh-PLAYST brest TIH-shoo)
A term used in mammography that refers to the replacement of breast tissue with fatty tissue. This commonly occurs as a woman ages.