Chronic Lymphocytic Leukemia (CLL) What Is Chronic Lymphocytic Leukemia? https://www.videosprofitnetwork.com/watch.xml?key=a08654b1e8a2c73f8751ccfb26c1c05e Chronic Lymphocytic Leukemia (CLL) is a cancer that affects a type of white blood cell called a “lymphocyte.” Lymphocytes help your body fight infection. They’re made in the soft center of ...