AUTHOR=Deng Yan , Yu Haopeng , Duan Xiuping , Liu Li , Huang Zixing , Song Bin TITLE=A CT-based radiomics nomogram for the preoperative prediction of perineural invasion in pancreatic ductal adenocarcinoma JOURNAL=Frontiers in Oncology VOLUME=15 YEAR=2025 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2025.1525835 DOI=10.3389/fonc.2025.1525835 ISSN=2234-943X