For BC patients Her2-positive and triple negative (TN), the PMRT rate was 72.7% (56/77): 55.6% (15/27) and 82.0% (41/50) for pN0(i+) and pN1mi (p = 0.013), respectively, 45.0% (9/20) and 82.5% (47/57) for SLNB alone and SLNB with cALND (p = 0.001), respectively. The gene discussed is ERBB2; the disease is breast cancer.