AUTHOR=Ye BaoLong , Chen ZiWen , Xie JunFeng , Xi KeXing , Zeng Xin , Zhong CaiLiang TITLE=Calcifying fibrous tumor of stomach: a rare case report of an upper gastrointestinal bleeding JOURNAL=Frontiers in Oncology VOLUME=Volume 15 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2025.1512964 DOI=10.3389/fonc.2025.1512964 ISSN=2234-943X