Sentinel Lymph Node Positivity by Tumour Grade in Older Women With Breast Cancer: A Cross-Verified Retrospective Cohort Study
Background: The Choosing Wisely campaign and several randomised trials have questioned the routine use of sentinel lymph node biopsy (SLNB) in older women with early-stage, hormone receptor-positive, human epidermal growth factor receptor 2 (HER2)-negative breast cancer, given the low rate of axillary nodal involvement...