Contrast-enhanced CT radiomics combined with multiple machine learning algorithms for preoperative identification of lymph node metastasis in pancreatic ductal adenocarcinoma - Huang, Yue; Zhang, Han; Chen, Lingfeng; Ding, Qingzhu; Chen, Dehua; Liu, Guozhong; Zhang, Xiang; Huang, Qiang; Zhang, Denghan; Weng, Shangeng (Frontiers in Oncology, 2024)