Among the 88 BC, the distribution molecular subtypes involved 14 (15.9%) Luminal A, 19 (21.5%) Luminal B-HER2-, 21 (23.8%) Luminal B-HER2+, 7 (7.9%) HER2+ and 21 (23.8%) TN (triple-negative) BC and 6 unknown molecular subtypes (6.8%) (Figure 3E). The gene discussed is ERBB2; the disease is breast cancer.