Leukemia is a malignant disease (cancer) of the bone marrow and blood.
It is characterized by the uncontrolled accumulation of blood cells.
Leukemia is divided into four categories: myelogenou READ MORE http://www.leukemia-lymphoma.org/all_page...
Definition of leukemia: Cancer that starts in blood-forming tissue such as the bone marrow and causes large numbers of blood cells to be produced and enter the bloodstream.
Estimated new cases and READ MORE http://www.cancer.gov/cancertopics/types/leukemia