Survival curves of patients with adenocarcinoma or squamous carcinoma in F-NLR. (A) DFS curve of patients with adenocarcinoma with F-NLR=0, F-NLR=1, and F-NLR=2 (log-rank test, P > 0.001). (B) OS curve of patients with adenocarcinoma with F-NLR=0, F-NLR=1, and F-NLR=2 (log-rank test, P > 0.001). (C) DFS curve of patients with squamous carcinoma with F-NLR=0, F-NLR=1, and F-NLR=2 (log-rank test, P > 0.001). (D) OS curve of patients with squamous carcinoma with F-NLR=0, F-NLR=1, and F-NLR=2 (log-rank test, P > 0.001).