Prediction of soft tissue sarcoma grading using intratumoral habitats and a peritumoral radiomics nomogram: a multi-center preliminary study - Wang, Bo; Guo, Hongwei; Zhang, Meng; Huang, Yonghua; Duan, Lisha; Huang, Chencui; Xu, Jun; Wang, Hexiang (Frontiers in Oncology, 2024)