Overall survival rates were 95.9% vs. 86.5% in patients younger than 55 vs older than 55 years (p < 0.0001); 95.9% vs. 86.5% in patients with Stage I and IIA vs. Stage IIB, IIIA-IIIC BC (p < 0.0001); 93.5% vs. 94.8% vs. 92.3% vs. 86.5% vs. 86.2% in patients with luminal A-like vs. luminal B-like Her 2-negative vs. luminal B-like Her 2-positive vs. HER2-positive vs. triple negative BC (p = 0.02); and 94% vs. 90.6% vs. 86.2% in patients not receiving adjuvant therapy vs. neo- or adjuvant CT and HT vs. neo- or adjuvant HT only (p = 0.008). The gene discussed is ERBB2; the disease is breast cancer.