Dr. O'Brien is a fellowship-trained breast surgical oncologist. After completing her fellowship, she expanded her clinical experience as a surgeon and assistant professor at a community-based academic hospital in Columbus, OH. Dr. O'Brien treats male and female benign and malignant breast conditions including fibrocystic disease, fibroadenoma, nipple discharge, gynecomastia, abscess, mastitis, diabetic mastopathy, breast cancers, Phyllodes tumor, and breast sarcoma. She performs minimally-invasive office procedures including ultrasound-guided biopsy and aspiration. To achieve the best operative oncologic and cosmetic outcome, she uses Oncoplastic and Hidden Scar™ techniques for lumpectomy and nipple-sparing mastectomy.