Multiparametric MRI biomarkers in pediatric osteosarcoma: associations of ADC, necrosis, and tumor volume with histologic and clinical outcomes in a retrospective cohort study. - Cruz IAND; Fayad LM; Macedo CRPD; Perez PTK; Pinto MBR; Azevedo BH; Carvalho AG; Lederman HM; Fernandes ARC; Guimarães JB (Pediatric radiology, 2026)