ERBB2 and neoplasm: A significant association was seen between BluePrint standard subtype and pCR in a both a univariable as well as a multivariable logistic regression analysis adjusted for age, HR status, tumor grade, HER2 IHC score, clinical T-stage (cT), clinical N-stage (cN), anthracycline treatment and pertuzumab treatment (Additional file 2: Table S1 and S2).