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Background Identification and resection of a clipped node was shown to decrease the false-negative rate (FNR) of sentinel lymph node biopsy (SLNB) after neoadjuvant chemotherapy (NAC) for patients presenting with initially node-positive breast cancer. Methods Between March 2014 and March 2016, a prospective trial analyzed 98 patients with axilla-positive locally advanced breast cancer (T1-4, N1-3)...