n :  lymphocytic leukemia that is marked by an abnormal increase in the number of mature lymphocytes and esp. B cells, that is characterized by slow onset and progression of symptoms which include anemia, pallor, fatigue, appetite loss, granulocytopenia, thrombocytopenia, hypogammaglobulinemia, and enlargement of the lymph nodes, liver, and spleen, and that occurs esp. in older adults - abbr. CLL - compare ACUTE LYMPHOCYTIC LEUKEMIA  .
 
 
 
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