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Although the exact cause of breast cancer is unknown as of March 2015, the condition always begins with the abnormal growth of breast cells, according to Mayo Clinic. A number of hormonal, environmental and lifestyle ris... More »

Carcinomas and sarcomas, as well as mixed forms of cancer and cancer without tumor formation, represent different types of breast cancer. Classifying breast cancer cells involves microscopic evaluation, determining the c... More »

Signs and symptoms of breast cancer include a new lump in the breast area, nipple retraction, and swelling and tenderness in the breast and nipple, according to the American Cancer Society. Breast cancer that spreads to ... More »

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Stage 3B cancer is a subcategory of stage 3 breast cancer in which the tumor is of any size and has spread to tissues near the breast. In this stage, the cancer has spread to the surrounding lymph nodes, explains Mayo Cl... More »

Signs and symptoms of breast cancer include a new lump in the breast area, nipple retraction, and swelling and tenderness in the breast and nipple, according to the American Cancer Society. Breast cancer that spreads to ... More »

Symptoms of breast cancer include a thickening or lump in the breast area, nipple changes, nipple discharge, breast pain and breast skin changes such as dimpling or puckering, according to Susan G. Komen. The symptoms ar... More »

Some early signs of breast cancer include changes in the feel or appearance of the breast or nipple, or nipple discharge, according to the National Breast Cancer Foundation. It is recommended that women perform monthly s... More »