What Is Childhood Acute Lymphoblastic Leukemia?
Acute lymphoblastic leukemia (ALL) is a cancer of the white blood cells, which are the cells in the body that normally fight infections. ALL is also called acute lymphocytic leukemia. Acute lymphoblastic leukemia accounts for about 3,800 new cases of leukemia each year. Although this type of leukemia is the most common type of leukemia in young children, it also affects adults.