Fig. 4

ROC curves of the models. a, b The clinical model, radscore model and combined model of the unenhanced phase in the training dataset (AUC = 0.897, 0.823, 0.933) and test dataset (AUC = 0.870, 0.856, 0.928); c, d the clinical model, radscore model and combined model of the enhanced phase in the training dataset (AUC = 0.928, 0.928, 0.941) and test dataset (AUC = 0.788, 0.899, 0.938)