EGFR and non-small cell lung carcinoma: Mutations within the epidermal growth factor receptor (EGFR) kinase domain are the root cause of a subtype of NSCLC and account for up to 50% of NSCLC, depending on demography [2,3,4,5], with higher proportions observed in females (42% of diagnoses) [6], east Asians (47% of diagnoses) [4], and nonsmokers (30.6% of diagnoses) [7].