Real-world impact of postmastectomy radiotherapy in T1–2 breast cancer with one to three positive lymph nodes
Comment: This SEER data review of T1-2N1 breast cancer patients continues the trend we’ve been observing: Postmastectomy Radiotherapy (PMRT) rarely translates into a statistically significant survival advantage in the modern setting. After adjusting for selection bias using Propensity Score Matching (PSM), the 5-year Breast Cancer-Specific Survival (BCSS) was comparable between the PMRT and non-PMRT groups. […]