Impact of Postmastectomy Radiation on Locoregional Recurrence in Breast Cancer Patients With 1-3 Positive Lymph Nodes Treated With Modern Systemic Therapy

PMRT offers excellent control for patients with 1-3 LN+, with no locoregional failures to date. Patients with 1-3 LN+ who have grade III disease and/or ECE should be strongly considered for PMRT.