Deputy Editor Salma Jabbour hosts Dr. Christopher Anker, Professor of Radiation Oncology and Program Co-Leader in the Cancer Host and Environment program at the University of Vermont Cancer Center, and Dr. Leila Tchelebi, Associate Professor of Radiation Medicine at the Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, respectively the first and second authors of a guideline published in this issue, Executive Summary of the American Radium Society Appropriate Use Criteria for Non-Operative Management for Rectal Adenocarcinoma: Systematic Review and Guidelines