A cancer of blood-forming tissues, hindering the body's ability to fight infection. Leukaemia is cancer of blood-forming tissues, including bone marrow. Many types exist such as acute lymphoblastic leukaemia, acute myeloid leukaemia and chronic lymphocytic leukaemia. Treatment for blood cancer depends on the type of cancer, your age, how fast the cancer is progressing, where the cancer has spread and other factors. Some common blood cancer treatments include: Stem cell transplantation: A stem cell transplant infuses healthy blood-forming stem cells into the body. Stem cells may be collected from the bone marrow, circulating blood and umbilical cord blood. Chemotherapy: Chemotherapy uses anticancer drugs to interfere with and stop the growth of cancer cells in the body. Chemotherapy for blood cancer sometimes involves giving several drugs together in a set regimen. This treatment may also be given before a stem cell transplant. Radiation therapy: Radiation therapy may be used to destroy cancer cells or to relieve pain or discomfort. It may also be given before a stem cell transplant.