-renowned breast cancer specialist, Sandra Swain, MD. Dr. Swain is the medical director of the Washington Cancer Institute at Washington Hospital Center. (www.WHCenter.org) … “triple negative breast cancer” tamoxifen Arimidex chemotherapy “estrogen positive” “HER2 negative” herceptin progesterone “Washington Hospital Center” research early diagnosis tumors “Sandra Swain” “MedStar Health” “Washington Cancer Institute” “breast cancer” “targeted therapy” er/pr “local treatment” “adjuvant …