👉 Leukemia, also known as leukocyte dysplasia or acute lymphoblastic leukemia, is a type of cancer that affects white blood cells (leukocytes) in the body. It can cause a person's immune system to become overactive and attack healthy cells. Leukemia often starts in the bone marrow (bone tissue where blood-forming cells are produced), which produces abnormal or immature blood cells.
The symptoms of leukemia can vary, but they usually include:
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