AUTHOR=Wang Lan , Lin Tingting , Hai Yubin , Yu Kai , Bu Fan , Lu Ji , Wang Xiuli , Li Miao , Shi Xiaoju TITLE=Primary dedifferentiated liposarcoma of the gallbladder: a case report and literature review JOURNAL=Frontiers in Surgery VOLUME=11 YEAR=2024 URL=https://www.frontiersin.org/journals/surgery/articles/10.3389/fsurg.2024.1452144 DOI=10.3389/fsurg.2024.1452144 ISSN=2296-875X