Gastrointestinal fiberendoscopy.
D000230:Adenocarcinoma / Q000175:diagnosis; D000328:Adult; D000368:Aged; D014670:Ampulla of Vater; D002429:Cecal Diseases / Q000175:diagnosis; D004241:Diverticulum, Colon / Q000175:diagnosis; D019723:Endoscopes; D004724:Endoscopy; D005260:Female; D005336:Fiber Optic Technology; D005767:Gastrointestinal Diseases / Q000175:diagnosis / Q000000981:diagnostic imaging; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis; D005773:Gastroscopy; D006801:Humans; D007414:Intestinal Neoplasms / Q000175:diagnosis / Q000000981:diagnostic imaging; D007417:Intestinal Polyps / Q000601:surgery; D008297:Male; D008722:Methods; D008875:Middle Aged; D011859:Radiography; D013158:Splenic Diseases / Q000175:diagnosis