AUTHOR=Shen Danfeng , Xu Haibin , Chang Peng , Gu Qiang , Xu Hongxing TITLE=Afferent loop obstruction induced by gallstone ileus after Whipple procedure: a case report and literature review JOURNAL=Frontiers in Medicine VOLUME=Volume 12 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/medicine/articles/10.3389/fmed.2025.1522046 DOI=10.3389/fmed.2025.1522046 ISSN=2296-858X