Department of Gastroenterology and Hepatology Ziyang First People’s Hospital Ziyang 641300 Sichuan Province China;
Department of Gastroenterology and Hepatology Ziyang First People’s Hospital Ziyang 641300 Sichuan Province China;
Department of Gastroenterology and Hepatology Ziyang First People’s Hospital Ziyang 641300 Sichuan Province China;
Department of Gastroenterology and Hepatology Ziyang First People’s Hospital Ziyang 641300 Sichuan Province China;
Department of Gastroenterology and Hepatology Ziyang First People’s Hospital Ziyang 641300 Sichuan Province China;
Department of Gastroenterology and Hepatology Chengdu Second People''s Hospital Chengdu 610017 Sichuan Province China;
Dieulafoy''s lesion; Duodenal diverticulum; Gastrointestinal bleeding; Endoscopy; Hemostatic clip; Case report;