Fig. 2From: Development and validation of a prognostic model of resectable small-cell lung cancer: a large population-based cohort study and external validationValidation of proposed nomogram by Receiver operating characteristic (ROC) analyses. a–c ROC curves for discrimination in the training cohort for 1-year (a), 3-year (b) and 5-year (c) overall survival. d–f ROC curves for discrimination in the validation cohort for 1-year (d), 3-year (e) and 5-year (f) overall survival. AUC area under the curveBack to article page