The most common grade of invasive carcinoma was grade 1 and grade 2 for luminal A-like, grade 2 for luminal B/HER2 negative-like, and grade 3 for luminal B/HER2 positive-like, HER2 positive/non-luminal like, and triple negative subtypes (Table 1). Here, ERBB2 is linked to invasive carcinoma.