NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,863 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.

A thin, tube-like instrument used to remove tissue from inside the body. A resectoscope has a light and lens for viewing. It also has a tool to remove tissue using an electrical current. It is inserted through the urethra to treat prostate disease in men and through the vagina and cervix to treat abnormal uterine bleeding in women.