NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,926 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.

surgical biopsy
(SER-jih-kul BY-op-see)
The removal of tissue by a surgeon for examination by a pathologist. The pathologist may study the tissue under a microscope.