NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 8,470 terms related to cancer and medicine.
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- chronic phase
- listen (KRAH-nik fayz)
- Refers to the early stages of chronic myelogenous leukemia or chronic lymphocytic leukemia. The number of mature and immature abnormal white blood cells in the bone marrow and blood is higher than normal, but lower than in the accelerated or blast phase.