ERBB2 and carcinoma: Although in univariate analysis no significant differences were observed, multivariate Cox proportional hazards analysis revealed that the apocrine morphology in SR+/HER2+ carcinomas was associated with better OS (HR = 2.62, CI = 1.17–5.84, p = 0.018) and BCSS (HR = 3.14, CI = 1.01–9.76, p = 0.047) (Table 4).