ERBB2 and breast neoplasm: Those with luminal A‐like breast tumors had the highest relative risk of mortality (RR, 1.71; 95% CI, 1.24–2.36; P = 0.001) followed by AA women with luminal B/HER2‐ (RR, 1.64; 95% CI, 1.03–2.59; P = 0.0339), and TNBC (RR, 1.62; 95% CI, 1.18–2.22; P = 0.0023), compared to their non‐Hispanic White counterparts, respectively.