NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,811 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.

stage I chronic lymphocytic leukemia
(… KRAH-nik LIM-foh-SIH-tik loo-KEE-mee-uh)
There are too many lymphocytes in the blood and the lymph nodes are larger than normal.