Fig. 4From: A prognostic model for elderly patients with squamous non-small cell lung cancer: a population-based studyROC curves and calibration plots for predicting 1-, 3- and 5-year lung cancer-specific survival for elderly SCC patients in the validation cohorts. a ROC curves of the Nomogram and AJCC stage in prediction of prognosis at 1-, 3- and 5-year point in the validation set. b The calibration plots for predicting patient survival at 1-, 3- and 5-year point in the validation set. ROC receiver operating characteristic curve, AUC areas under the ROC curveBack to article page