The Present and Future of Postmastectomy Radiation

The authors of the American Radium Society Appropriate Use Criteria for Postmastectomy Radiation Therapy (PMRT) provide a timely update to prior PMRT guidelines and discuss several important questions that clinicians are faced with in daily practice. This editorial highlights the evolving role of PMRT in breast cancer and reviews some of the major changes in the present guidelines compared with the prior 2009 American College of Radiology Appropriateness Criteria on PMRT and the 2016 American Society of Clinical Oncology (ASCO), American Society for Radiation Oncology (ASTRO), and Society of Surgical Oncology (SSO) Focused Guideline Update.