Patients with higher BRCA scores had higher risk to be predicted as Basal-like (Mann–Whitney Wilcoxon test P = 2e-40), HER2-enriched (Mann–Whitney Wilcoxon test P = 3e-18) and Luminal B (Mann–Whitney Wilcoxon test P = 9e-50) breast cancers. Here, ERBB2 is linked to breast cancer.