AUTHOR=Wang Pusen , Zhong Lin , Zhao Dong TITLE=Case report: Complete cast formation of the entire intrahepatic biliary tree JOURNAL=Frontiers in Medicine VOLUME=12 YEAR=2025 URL=https://www.frontiersin.org/journals/medicine/articles/10.3389/fmed.2025.1525442 DOI=10.3389/fmed.2025.1525442 ISSN=2296-858X