Impact of the Society of Surgical Oncology–American Society for Radiation Oncology Margin Guidelines on Breast-Conserving Surgery and Mastectomy Trends

Impact of the Society of Surgical Oncology–American Society for Radiation Oncology Margin Guidelines on Breast-Conserving Surgery and Mastectomy Trends Background In 2014, SSO/ASTRO guidelines defined negative margin for stage I and II breast cancer as “no tumor on ink”. We hypothesized that repeat surgery rates have decreased since guideline introduction and would be associated with […]