Fig. 4

Receiver operator characteristic (ROC) analysis of the nomogram, non-CLR nomogram, and TNM stage for predicting survival at a 3 years and b 5 years, and c the area under ROC curve of the three models. CLR, cholesterol-to-lymphocyte ratio. Nomogram: CLR + harvested lymph nodes (LNs) + N stage. Non-CLR nomogram: harvested LNs + N stage