AUTHOR=Nam Hohyung , Min Gi-June , Kim Tong Yoon , Jeon Youngwoo , Cho Seok-Goo TITLE=Case Report: A case series on histiocytic sarcoma – various clinical features and patient outcomes JOURNAL=Frontiers in Oncology VOLUME=15 YEAR=2025 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2025.1505737 DOI=10.3389/fonc.2025.1505737 ISSN=2234-943X