Cancer,
leukemia: Leukemia is a cancer of the white blood cells. Leukemias are
grouped by how quickly the disease develops (acute or chronic) as well
as by the type of blood cell that is affected. People with leukemia are
at significantly increased risk for developing infections, anemia, and
bleeding. Diagnosis of leukemia is supported by findings of the medical
history and examination, and examining blood under a microscope.
Leukemia cells can be detected and further classified with a bone marrow
aspiration and/or biopsy. Most patients with leukemia are treated with
chemotherapy. Some patients also may have radiation therapy and/or bone
marrow transplantation.
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