Breast cancer is a very common malignancy that arises from the breast tissue. It frequently will spread, or metastasize, to adjacent tissues. When it does spread, it usually involves the lymph glands, lungs, pleura, bone (especially the skull), pelvis and liver. The peak ages are from 45 to 65. It rarely occurs before age 30 and the incidence increases after menopause.
Causes of Breast Cancer
The causes of breast cancer is unknown. There are families that have a higher incidence.
Signs and Symptoms of Breast Cancer
Early stages of breast cancer usually have no symptoms. These small tumors may be detected by mammograms. As they enlarge, a swelling or lump in the breast may be noted. Additionally, a vague discomfort in the breast without true pain may occur. Other signs of breast cancer include retraction of the nipple, distorted breast contour, dimpled or pitted skin in the breast, enlarged nodes under the arm (late stages), and bloody discharge from the nipple (rare).
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Medical Content Last Updated on 07/12/2008
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