ERBB2 and metastatic malignant neoplasm in the lymph nodes: Through univariate survival analysis, the results showed histological grade (P=0.037), clinical stage (P<0.001), HER2 (P=0.044), RCB class (P<0.001), Tils (P<0.001), lymph node metastasis (P =0.049), MP grade (P=0.013) were related to OS in non-PCR patients after neoadjuvant.