Home > Cancer > Prevention of Breast Cancer Get the Flash Player to see this player. Rate: (Click the stars to rate) Published on Oct 04, 2008 by MOsborne, Views: 2850 Breast cancer is the most common cancer in women. One in nine women will develop breast cancer. For those at high risk for breast cancer, such as women with a strong family history, or those with LCIS- lobular carcinoma in situ on biopsy, Tamoxifen can lower the risk of breast cancer. In postmenopausal women Raloxifene may be used.