AUTHOR=Liu Zhiyong , Weitao Yao , Cui Kang , Gao Songtao , Wang Xin , Zhang Peng , Wang Jiaqiang TITLE=The outcomes and treatment strategies in metastatic soft tissue sarcoma treated with immunotherapy-based therapy: a three-center study JOURNAL=Frontiers in Immunology VOLUME=16 YEAR=2025 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2025.1504117 DOI=10.3389/fimmu.2025.1504117 ISSN=1664-3224