Fig. 3From: Personalized CT-based radiomics nomogram preoperative predicting Ki-67 expression in gastrointestinal stromal tumors: a multicenter development and validation cohortAUC of the Rad score and the Rad nomogram in prediction of high Ki67 expression presence in the development cohort (a), internal validation cohort (b), and external validation cohort (c), respectively. AUC: areas under the receiver operating characteristic curveBack to article page