NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,847 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.

Dukes classification
(dooks KLA-sih-fih-KAY-shun)
A staging system used to describe the extent of colorectal cancer. Stages range from A (early stage) to D (advanced stage).