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.
New cases and deaths from leukemia in the United States in 2008 are estimated to be
44, 270 with deaths totaling approximately 21,710.
For more information regarding Leukemia from the National Cancer Institute please visit
http://www.cancer.gov/cancertopics/types/leukemia.