NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,800 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.

carbon-11 acetate
(KAR-bun ... A-seh-tayt)
A radioactive form of carbon that is used in positron emission tomography (PET) scanning.