AUTHOR=Wei Pengcheng , Lo Chen , Gao Jie , Zhu Jiye , Sun Xin , Li Zhao TITLE=Systemic metastasis in malignant solitary fibrous tumor of the liver: two case reports and literature review JOURNAL=Frontiers in Oncology VOLUME=14 YEAR=2024 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2024.1418547 DOI=10.3389/fonc.2024.1418547 ISSN=2234-943X