chronic lymphocytic leukemia
Quick Summary
Chronic lymphocytic leukemia (CLL) is a type of leukemia, a cancer of the blood-forming tissues. It is characterized by a gradual increase in the number of lymphocytes in the blood and bone marrow, often leading to enlarged lymph nodes and spleen. CLL primarily affects people over age 50 and progresses slowly. While the leukemia itself may not be the direct cause of death, it can weaken the immune system, making patients susceptible to infections or hemorrhage. Treatment is often not initiated in the early stages if symptoms are minimal.123
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