label: Chronic Lymphocytic Leukemia
label_lc: chronic lymphocytic leukemia
description: The most common type of chronic lymphoid leukemia.  It comprises 90% of chronic lymphoid leukemias in the United States.  Morphologically, the neoplastic cells are small, round B-lymphocytes.  This type of leukemia is not considered to be curable with available therapy. (WHO, 2001)