AUTHOR=Zhou Junfeng , Lin Lin , He Cankun , Wang Ziyi , Zhan Yuping , Sun Sida , He Qingliang TITLE=Integrating serological and drainage fluid indicators: developing two predictive models for early detection of postoperative intra-abdominal infections in gastrointestinal tumor patients JOURNAL=Frontiers in Oncology VOLUME=Volume 15 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2025.1566954 DOI=10.3389/fonc.2025.1566954 ISSN=2234-943X