Fig. 5From: Ultrasound-based radiomics analysis for preoperative prediction of central and lateral cervical lymph node metastasis in papillary thyroid carcinoma: a multi-institutional studyCalibration curve evaluate the radiomics nomogram used for prediction of lateral LNM a in the training cohort (p = 0.722), b internal cohort (p = 0.326), and c, d in two external cohorts (p = 0.637, p = 0.589). The Hosmer–Lemeshow tests yield nonsignificant statistics. LNM, lymph node metastasisBack to article page