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Acute Lymphoblastic Leukemia Picture
Acute lymphoblastic leukemia, or ALL, is the most common form of childhood leukemia, a
cancer of the white blood cells that invades the bone marrow and crowds out normal healthy
blood cells. This is a type of leukemia that starts from white blood
cells in the bone marrow, the soft inner part of bones. It develops from cells
called lymphocytes, a type of white blood cell central to the immune system, or
from lymphoblasts, an immature type of lymphocyte. The younger the patient is at
diagnosis the better the chances of survival.
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