Hu et al reported that individuals carrying XPG rs2296147T>C T allele was associated with better PFS and OS of NSCLC (HR (95% CI) for PFS: 0.52 (0.38-0.70); HR (95% CI) for OS: 0.49(0.36-0.68)) [16]. The gene discussed is ERCC5; the disease is non-small cell lung carcinoma.