A slowly progressing blood and bone marrow disease that usually occurs during or after middle age, and rarely occurs in children. Most types of CML have a genetic defect called the Philadelphia chromosome that causes the constant production of abnormal white blood cells.
a disease that progresses more slowly than acute myeloid leukemia and that is caused by the presence of too many underdeveloped white blood cells (lymphoblasts) in the blood or bone marrow
CML. A slowly progressing disease in which too many white blood cells (not lymphocytes) are made in the bone marrow. Also called chronic myelogenous leukemia or chronic granulocytic leukemia.
A leukemia which is initially slowly progressing. It is characterized by the presence of large numbers of abnormal, mature granulocytes, circulating in the blood. Sometimes called chronic granulocytic leukemia (CGL).