NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,777 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.

cyproterone acetate
(sy-PROH-teh-rone A-seh-tayt)
A synthetic hormone being studied for treatment of hot flashes in men with prostate cancer who have had both testicles removed by surgery.