EGFR and non-small cell lung carcinoma: In particular, two TT genotype SNP’s, rs4886578 and rs736118, positively correlated with a mutated EGFR and non-smoking history in NSCLC patients over 60 years of age, leading to the speculation that these STRA6 SNPs may serve as biomarkers in locally advanced and metastatic NSCLC patients.