AUTHOR=Li Wenjie , Gao Haicheng TITLE=Clinical features and outcomes of retroperitoneal unicentric Castleman disease resected as sarcomas: insights from a high-volume sarcoma center JOURNAL=Frontiers in Surgery VOLUME=11 YEAR=2024 URL=https://www.frontiersin.org/journals/surgery/articles/10.3389/fsurg.2024.1371968 DOI=10.3389/fsurg.2024.1371968 ISSN=2296-875X