Fig. 4

The radiomic-radiological model and its performance. a The radiomic-radiological model for the training set. b–d The confusion matrix of the training, internal validation, and external validation sets, respectively. e The ROC curves of the radiomic, radiological, and radiomic-radiological models for the internal validation set. f The ROC curves of radiomic-clinical-radiological model for the three sets. ROC, receiver operating characteristic