AUTHOR=Cui Yujie , Li Bingjie , Liang Jinlong , He Liya , Zhang Hongzhen TITLE=Case report: A study on disease diagnosis and treatment outcome of a case of bilateral malignant solitary fibrous tumor of the kidneys JOURNAL=Frontiers in Oncology VOLUME=15 YEAR=2025 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2025.1436015 DOI=10.3389/fonc.2025.1436015 ISSN=2234-943X