NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,790 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.

Li-Fraumeni syndrome
(lee-FRAH-meh-nee SIN-drome)
A rare, inherited predisposition to multiple cancers, caused by an alteration in the p53 tumor suppressor gene.