Routine upper gastrointestinal endoscopy in elective cholecstectomy.
D000328:Adult; D000368:Aged; D002763:Cholecystectomy; D003955:Diagnostic Tests, Routine; D004064:Digestive System; D004381:Duodenal Ulcer / Q000175:diagnosis; D004724:Endoscopy; D005260:Female; D005767:Gastrointestinal Diseases / Q000175:diagnosis; D006551:Hernia, Hiatal / Q000175:diagnosis; D006801:Humans; D008297:Male; D008875:Middle Aged; D011300:Preoperative Care