AUTHOR=Wang Luyao , Xie Anyu , Ke Luqin , Jia Pingfan , Li Yuru , Guo Xing TITLE=Undifferentiated pleomorphic sarcoma in the anterior mediastinum: a case report and literature review JOURNAL=Frontiers in Oncology VOLUME=14 YEAR=2024 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2024.1445149 DOI=10.3389/fonc.2024.1445149 ISSN=2234-943X