Case ReportPublished 31 July 2026Endoscopic submucosal dissection for a large (exceeding 3 cm) exophytic gastric schwannoma with 24-hour intragastric retention: a case report and brief literature reviewRong Xie · Weiwei Zhang · YanningI Mao · Yi Qin · Jiaxu Wang · Qi Luo · Linhua Teng · Jiawen LiuFrontiers in Gastroenterologydoi 10.3389/fgstr.2025.1703551