AUTHOR=Zhang Peng , Yang Jing , Liu Yongyong , Zhou Qing , Xue Caiqiang , Zhang Bin , Li Yumin TITLE=Long-term remission of microsatellite instability-high adenosquamous carcinoma in gastric antrum: a case report JOURNAL=Frontiers in Oncology VOLUME=Volume 15 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2025.1516966 DOI=10.3389/fonc.2025.1516966 ISSN=2234-943X