LYCOS RETRIEVER 
Anemia: Body
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Anemia is a frequent complication of cancers due to bleeding. Cancers of the head and neck, the gastrointestinal and genitourinary system, and the cervix are frequently associated with endogenous bleeding, or bleeding that occurs within the body. Bleeding occasionally develops within the tumor itself, particularly in sarcomas, melanomas, and ovarian and liver carcinomas.
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Anemia goes undetected in many people, and symptoms can be vague. Most commonly, people with anemia report a feeling of weakness or fatigue in general or during exercise, general malaise and sometimes poor concentration. People with more severe anemia often report dyspnea (shortness of breath) on exertion. Very severe anemia prompts the body to compensate by increasing cardiac output, leading to palpitations and sweatiness, and to heart failure.
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Anemia develops slowly after the normal stores of iron have been depleted in the body and in the bone marrow. Women, in general, have smaller stores of iron than men. Women ... lose iron more frequently than men because of the blood loss during menstruation.
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