Figure 4.Receiver operating characteristic (ROC) curves of the nomograms. (A) ROC curves of the clinicopathological-feature alone model and multi-feature fusion model for the total population. (B) ROC curves of the multi-feature fusion model in the training set and calibration set. (C) ROC curve of the multi-feature fusion model in the external validation cohort. (D) Calibration curves of the multi-feature fusion model in the external validation cohort.
