
Keywords: ERCC1; excision repair cross-complementation group 1; NSCLC; non-small cell lung cancer; XRCC1; X-ray repair cross complementing group 1; CYP2A6; cytochrome P450 2A6; GSTM1; glutathione S-transferase mu1; CYP1A1; cytochrome P450 1A1; EGFR; epidermal growt