AUTHOR=Jia Guohua , Li Xiangpan TITLE=Establishment and validation of a prognostic nomogram for extra-gastrointestinal stromal tumors JOURNAL=Frontiers in Oncology VOLUME=15 YEAR=2025 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2025.1527237 DOI=10.3389/fonc.2025.1527237 ISSN=2234-943X