AUTHOR=Yang Fan , Fu Haixiao , Zheng Xiang , Yang Yuzhong , Zhou Quyan , Liang Yuanna , Zheng Jinhua , Lin Jing TITLE=SMARCA4-deficient undifferentiated carcinoma co-existing with primary endometrial gastric (or gastrointestinal) -type carcinoma: a case report JOURNAL=Frontiers in Oncology VOLUME=Volume 15 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2025.1510930 DOI=10.3389/fonc.2025.1510930 ISSN=2234-943X