Source:http://linkedlifedata.com/resource/umls/id/C0023449
CSP: acute leukemia in which lymphoblasts and their progenitor cells predominate; the most common childhood cancer and accounts for 20 percent of adult acute leukemia; common ALL antigen (CALLA) expressed in most cases.,NCI: An aggressive (fast-growing) type of leukemia (blood cancer) in which too many lymphoblasts (immature white blood cells) are found in the blood and bone marrow.,NCI: Leukemia with an acute onset, characterized by the presence of lymphoblasts in the bone marrow and the peripheral blood. It includes the acute B lymphoblastic leukemia and acute T lymphoblastic leukemia.,MEDLINEPLUS: <p><a href='http://www.nlm.nih.gov/medlineplus/leukemia.html'>Leukemia</a> is cancer of the white blood cells. White blood cells help your body fight infection. Your blood cells form in your bone marrow. In leukemia, however, the bone marrow produces abnormal white blood cells. These cells crowd out the healthy blood cells, making it hard for blood to do its work. In acute lymphocytic leukemia (ALL), there are to