Eat Sleep Crush Leukemia Repeat Trending T-ShirtMachine wash cold with like colors, dry low heat Perfect trendy graphic tee shirt for man, woman or child who is battling this terrible disease or for anyone who loves and supports them. Leukemia, also spelled leukaemia, is a group of cancers that usually begin in the bone marrow and result in high numbers of abnormal white blood cells. These white blood cells are not fully developed and are called blasts or leukemia cells. Symptoms may include