p = 0.033), invasive ductal BC (71.2% vs. 30.0%, p = 0.026), BC T stage > T2 (80.0% vs. 47.7%, p = 0.028), HER2 RS and basal BC subtype (72.5% vs. 51.3%, p = 0.066, the BC subtypes are shown in supplementary figure E3) and UICC stage III–IV (72.0% vs. 48.8%, p = 0.077). The gene discussed is ERBB2; the disease is breast cancer.