Department of Gastroenterology The First Hospital of Lanzhou University Lanzhou 730000 Gansu Province ChinaKey Laboratory for Gastrointestinal Diseases The First Hospital of Lanzhou University Lanzhou 730000 Gansu Province ChinaDepartment of Gastroenterology Affiliated Hospital of Northwest Minzu University Lanzhou 730000 Gansu Province China;
Department of Gastroenterology Affiliated Hospital of Northwest Minzu University Lanzhou 730000 Gansu Province China;
Department of Gastroenterology Affiliated Hospital of Northwest Minzu University Lanzhou 730000 Gansu Province China;
Department of Gastroenterology Affiliated Hospital of Northwest Minzu University Lanzhou 730000 Gansu Province China;
Department of Gastroenterology Affiliated Hospital of Northwest Minzu University Lanzhou 730000 Gansu Province China;
Department of Radiology Affiliated Hospital of Northwest Minzu University Lanzhou 730000 Gansu Province China;
Department of Gastroenterology The First Hospital of Lanzhou University Lanzhou 730000 Gansu Province ChinaKey Laboratory for Gastrointestinal Diseases The First Hospital of Lanzhou University Lanzhou 730000 Gansu Province China;
Esophageal bezoars; Esophageal obstruction; Acute; Endoscopic fragmentation; Case report;