NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,812 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 IV Sezary syndrome
(... say-zah-REE SIN-drome)
Most of the skin is reddened and covered with patches, papules, plaques, or tumors. There is a high level of cancerous lymphocytes in the blood. Lymph nodes may be enlarged and cancer may have spread to them.