Sentinel Lymph Node Biopsy Alone is Adequate for Chemotherapy Decisions in Postmenopausal Early-Stage Hormone-Receptor-Positive, HER2-Negative Breast Cancer with One to Three Positive Sentinel Lymph Nodes.

breast cancer and RS < 26 with one to three positive SLN are unlikely to have more than three total positive nodes. CET decisions should continue to be based on SLN biopsy as ALND is unlikely to change treatment recommendations or outcomes.