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.

diagnostic mammogram
(DY-ug-NAH-stik MA-muh-gram)
X-ray of the breasts used to check for breast cancer after a lump or other sign or symptom of breast cancer has been found.