| Digestive tract | esophagus: Esophagectomy
stomach: Gastrostomy (Percutaneous endoscopic gastrostomy) - Gastrectomy - Gastric bypass surgery - Gastroenterostomy - Nissen fundoplication
lower GI: Duodenal switch - Colectomy - Colostomy - Ileostomy - Appendicectomy
endoscopy: Esophagogastroduodenoscopy - Colonoscopy - Proctoscopy - Sigmoidoscopy |
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