
Routine intraoperative frozen section analysis of sentinel lymph nodes after neoadjuvant chemotherapy did not improve surgical outcomes and led to unnecessary axillary lymph node dissection in over half of intraoperatively positive cases.

Routine intraoperative frozen section analysis of sentinel lymph nodes after neoadjuvant chemotherapy did not improve surgical outcomes and led to unnecessary axillary lymph node dissection in over half of intraoperatively positive cases.