Similarly, Partridge et al. reported a study with 17,575 patients from NCCN data diagnosed prior to 2007, and after clearly defining luminal types, breast cancer special-survival was worse for patients ≤40 years old with luminal A and luminal B subtypes but not those with the triple-negative and HER2 over-expression types34. Here, ERBB2 is linked to breast carcinoma.