Similar results were observed when restricted to certain subtypes (AUC in luminal-like tumours: 0.73, 95% CI: 0.70-0.76; AUC in HER2-positive tumours: 0.63, 95% CI: 0.59-0.67; AUC in TNBC tumours: 0.66, 95% CI: 0.59-0.73). Here, ERBB2 is linked to neoplasm.