AUTHOR=Liu Rongqiang , Wang Ling , Ye Jing , Li Xinyi , Ma Wangbin , Xu Ximing , Yu Jia , Wang Weixing TITLE=Preoperative glasgow prognostic score was an effective prognostic indicator in patients with biliary tract cancer JOURNAL=Frontiers in Immunology VOLUME=Volume 16 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2025.1560944 DOI=10.3389/fimmu.2025.1560944 ISSN=1664-3224