When Standard Therapy Fails in Breast Cancer: Current and Future Options for HER2-Positive Disease

Erin Olson and D’Anna Mullins^*

Clinical Fellow, Divisions of Medical Oncology and Hematology, The Wexner Medical Center at the Ohio State University, USA

^*Corresponding Author: D’Anna Mullins, MD, Ph.D, Clinical Fellow, Divisions of Medical Oncology and Hematology, The Wexner Medical Center at the Ohio State University, Starling Loving Hall, Room 365, 320 West 10th Avenue, Columbus, OH 43210, USA Email: