A combined radiomics and clinical model for preoperative differentiation of intrahepatic cholangiocarcinoma and intrahepatic bile duct stones with cholangitis: a machine learning approach - Qian, Hongwei; Huang, Yanhua; Dong, Yuxing; Xu, Luohang; Chen, Ruanchang; Zhou, Fangzheng; Zhou, Difan; Yu, Jianhua; Lu, Baochun (Frontiers in Oncology, 2025)