Key clinical point: High rates of sentinel lymph node biopsy (SLNB) and radiotherapy (RT) do not show benefit in older women with early estrogen receptor-positive (ER+) breast cancer.
Major finding: Among all patients, 65.3% received SLNB and 54.4% received adjuvant RT. No association was found between SLNB and locoregional recurrence-free survival (LRFS; P = .71) or disease-free survival (DFS; P = .11). RT showed no association with LRFS ( P = .10) or DFS ( P = .97).
Study details: A retrospective cohort study of 3,361 consecutive patients aged 70 years or older with early ER+ breast cancer.
Disclosures: This study was funded by UPMC Health Services Division and Shear Family Foundation. The authors declared receiving consulting fees, personal fees and/or research funding outside this work.
Source: Carleton N et al. JAMA Netw Open. 2021 Apr 1. doi: 10.1001/jamanetworkopen.2021.6322.