NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,780 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.

enucleation
(ee-NOO-klee-AY-shun)
In medicine, the removal of an organ or tumor in such a way that it comes out clean and whole, like a nut from its shell.