In addition to the above, it is estimated that 684,996 deaths worldwide were due to BC; thus, it is becoming an important public health issue [1] BC is usually classified into four subtypes according to receptor expression: luminal A, luminal B, human epidermal growth factor receptor 2 (HER2+) overexpression, and basal (triple negative breast cancer, (TNBC)) [2]. The gene discussed is ERBB2; the disease is breast cancer.