Obesity • Weight loss surgery • Bariatric surgery • Gastric band • Gastric bypass • Sleeve gastrectomy • Gastric balloon • Laparoscopic surgery • Minimally invasive surgery • Keyhole surgery • Acid reflux • Anti-reflux surgery • Hiatus hernia surgery • Fundoplication • Gallstones • Gall bladder • Cholecystectomy • Bile leakage • Bile duct injury • Hernia • Cancer of the oesophagus • Oesophagectomy • Cancer of the stomach • Gastrectomy • Achalasia ̶...