AUTHOR=Chua Huey Bing , Hussain Rizuana Iqbal , Shukor Nordashima Abd , Fam Xeng Inn TITLE=Case Report: an extremely rare case of giant dedifferentiated retroperitoneal liposarcoma JOURNAL=Frontiers in Oncology VOLUME=15 YEAR=2025 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2025.1489833 DOI=10.3389/fonc.2025.1489833 ISSN=2234-943X