What is leukaemia

Leukaemia is a cancer of the white blood cells. White blood cells are produced by the bone marrow. The four main types of leukaemia are: acute lymphoblastic (ALL), acute myeloid (AML), chronic myeloid (CML) and chronic lymphocytic (CLL). Each disease has its own characteristics and treatment. CancerBACUP also has information about these other types of leukaemia.