The stratified analysis suggested the protective effect of rs4513061 to different histological types of lung cancer, including lung adenocarcinoma (AA vs. GG: odds ratio [OR] = 0.505, 95% confidence interval [CI] = 0.337-0.756, <i>p</i> < 0.001), squamous cell lung cancer (AG vs. GG: OR = 0.488, 95% CI = 0.269-0.883, <i>p</i> = 0.018), and small-cell lung cancer (AA vs. GG: OR = 0.421, 95% CI = 0.216-0.819, <i>p</i> = 0.011).