AR and neoplasm: In the TNBC group (n = 111), the pCR rates of AR-positive (n = 24) and AR-negative (n = 87) tumours were similar, 29.2% and 33.3%, respectively.21 In our series, within the TNBC group (n = 126), the pCR rates of AR-positive (n = 32) and AR-negative (n = 94) tumours were also similar.