Chronic lymphocytic leukemia (CLL) is the most common leukemia in adults. It's a type of cancer that starts in cells that become certain white blood cells (called lymphocytes) in the bone marrow. The cancer (leukemia) cells start in the bone marrow but then go into the blood. In CLL, the leukemia cells often build up slowly. Jun 19, · There are 4 main types of leukemia, based on whether they are acute or chronic, and myeloid or lymphocytic: Acute myeloid (or myelogenous) leukemia (AML) Chronic myeloid (or myelogenous) leukemia (CML) Acute lymphocytic (or lymphoblastic) leukemia (ALL) Chronic lymphocytic leukemia (CLL).
Sep 26, · Over time, you may have: Swollen lymph nodes in your neck, armpits, stomach, or groin. Lymph nodes are pea-sized glands in these and other areas Shortness of breath Pain or fullness in your stomach, which may be because the disease has made your spleen bigger Fatigue Night sweats Fever and Author: Camille Peri.