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Breast cancer is the uncontrolled growth of abnormal cells in one of several areas of the breast, including the ducts that carry milk to the nipple, small sacs that produce milk (lobules), and nonglandular tissue. Sometimes breast cancer stays in the tissue in which it began. Bit it can also move into other nearby tissue or lymph nodes.
Breast cancer does not discriminate. It affects mothers, daughters, working women, celebrities — and even some men. For women, the lifetime risk of developing breast cancer is about 1 in 8; for men it is 1 in 1,000.
Some women are more likely to develop breast cancer than others. They include older women; those who have a mother, sister, or daughter with breast cancer; those who have previously had breast cancer or a benign breast condition; women with dense breasts; those who have had radiation to the chest or breast; and women who drink a lot of alcohol. Having several risk factors doesn't mean a woman will inevitably develop breast cancer. Likewise, having few risk factors doesn't offer 100% protection against it.
Treatments for breast cancer include removal of the affected breast (mastectomy), removal of the tumor and small amount of surrounding tissue (lumpectomy), radiation therapy, chemotherapy, and hormone therapy.
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