NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,926 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.

radiologic exam
(RAY-dee-oh-LAH-jik eg-ZAM)
A test that uses radiation or other imaging procedures to find signs of cancer or other abnormalities.