18F-FDG PET/CT and MR imaging features of liver metastases in gastrointestinal stromal tumors: a cross-sectional analysis - Lyu, Qinghu; Lin, Duanyu; Tang, Mingdeng; Liu, Daojia; Zhang, Jieping; Wang, Yuntao; Shelat, Vishal G.; Raissi, Driss; Ostwal, Vikas; Chen, Xingfa; Li, Shengxu (Annals of Translational Medicine, 2022)