NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,846 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.

Surgery to remove the bladder (the organ that holds urine) and the prostate. In a radical cystoprostatectomy, the seminal vesicles are also removed. The prostate and seminal vesicles are glands in the male reproductive system that help make semen. Also called prostatocystectomy.