The role of endoscopy in the diagnosis of esophageal and gastric disease in patients following gastric surgery. A review of 402 patients.
D004724:Endoscopy; D004935:Esophageal Diseases / Q000175:diagnosis* / Q000209:etiology; D006801:Humans; D011183:Postoperative Complications / Q000175:diagnosis*; D013270:Stomach / Q000601:surgery*; D013272:Stomach Diseases / Q000175:diagnosis*