Fig. 4

Calibration curves, ROC and DCA of nomograms for predicting expression status of baseline CEA of the training cohort (A, B, C) and external validation cohort (D, E, F).

Calibration curves, ROC and DCA of nomograms for predicting expression status of baseline CEA of the training cohort (A, B, C) and external validation cohort (D, E, F).