Fig. 6From: Machine learning-based radiomics model to predict benign and malignant PI-RADS v2.1 category 3 lesions: a retrospective multi-center studyThe calibration plots of joint model in predicting all PCa (a, b) and csPCa c, d in PI-RADS 3 lesions. (a, c)internal test set, b, d external validation setBack to article page