Department of Gastroenterology The Affiliated Hospital of Qingdao University Qingdao 266003 Shandong Province China;
Department of Gastroenterology The Affiliated Hospital of Qingdao University Qingdao 266003 Shandong Province China;
Department of Pathology The Affiliated Hospital of Qingdao University Qingdao 266003 Shandong Province China;
Department of Gastroenterology The Affiliated Hospital of Qingdao University Qingdao 266003 Shandong Province China;
Department of Gastroenterology The Affiliated Hospital of Qingdao University Qingdao 266003 Shandong Province China;
Department of Gastroenterology The Affiliated Hospital of Qingdao University Qingdao 266003 Shandong Province China;
Department of Gastroenterology The Affiliated Hospital of Qingdao University Qingdao 266003 Shandong Province China;
Pyloric gland adenoma; Submucosal tumor; Endoscopic submucosal dissection; Case report;