Heterogeneity of survival outcomes in ypN1 breast cancer after neoadjuvant therapy: The role of residual nodal burden in axillary de-escalation
This study demonstrates that axillary de-escalation is a feasible strategy for ypN1 breast cancer patients with a single residual positive node after neoadjuvant therapy, but not for those with multiple residual nodes, highlighting the critical prognostic heterogeneity within this disease category.