Acute lymphoblastic leukemia (ALL) is a type of cancer affecting the bone marrow, causing an overproduction of lymphocytes, a type of white blood cell. This disease usually progresses quickly if it is not treated. Possible symptoms include anemia, frequent infections, and easy bleeding.
There are about 3,800 new cases of leukemia each year. Although ALL is the most common type of leukemia in young children, adults can also develop it. Treatment options include chemotherapy, radiation therapy, and chemotherapy with stem cell transplant.
(Click Adult Acute Lymphoblastic Leukemia to learn more about this condition, including the different stages of ALL, how it is diagnosed, possible risk factors, and more.)