NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 8,098 terms related to cancer and medicine.

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chronic phase chronic myelogenous leukemia
(KRAH-nik fayz KRAH-nik MY-eh-LAH-jeh-nus loo-KEE-mee-uh)
A phase of chronic myelogenous leukemia in which fewer than 10% of the cells in the blood and bone marrow are blast cells (immature blood cells). This phase may last from several months to several years, and there may be no symptoms of leukemia.