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  • What is Leukemia?

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  • What is Leukemia?

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  • How is Leukemia Diagnosed?

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  • Leukemia: What are the symptoms? | Norton Cancer Institute

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  • Leukemia: What causes leukemia? | Norton Cancer Institute

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Leukemia, also spelled leukaemia, is a group of cancers that usually begin in the bone marrow and result in high numbers of abnormal white blood cells. These white blood cells are not fully developed and are called blasts or leukemia cells. Symptoms may include bleeding and bruising problems, feeling tired, fever, and an increased risk of infections. These symptoms occur due to a lack of normal blood cells. Diagnosis is typically made by blood tests or bone marrow biopsy.

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