Detailed information on blood, including components of blood, functions of blood cells, and common blood tests.
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Leukemia is cancer that starts in the bone marrow. Learn more about it and the different types.
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For many people, the cause of their leukemia isn't known. But some things do increase your risk.
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AIDS-related lymphoma is a type of cancer called non-Hodgkin lymphoma. It grows in some people with AIDS. AIDS is a disease that weakens the immune system. AIDS raises the risk for long-term (chronic) disease, such as cancer.
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