NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,922 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.

clinical practice guidelines
(KLIH-nih-kul PRAK-tis GIDE-linez)
Guidelines developed to help health care professionals and patients make decisions about screening, prevention, or treatment of a specific health condition.