Radiotherapy Field Approaches and Outcomes After Sentinel Lymph Node Biopsy and Axillary Lymph Node Dissection in Pathologic N1 Breast Cancer.
PURPOSE To evaluate regional control and lymphedema according to radiotherapy field in patients with clinically node-negative (cN0) breast cancer who were diagnosed with pathological N1 (pN1) disease after breast-conserving surgery (BCS) and sentinel lymph node biopsy (SNB), using patients who underwent axillary lymph...