Acute cholecystitis Anorectal abscess Anti-reflux surgery Appendectomy Appendicitis Bile duct obstruction Choledocholithiasis Esophageal perforation Feeding tube insertion - gastrostomy Gallbladder removal - open Gallstones Gastrectomy Gastric bypass surgery Gastrointestinal perforation Gastroparesis Hemorrhoid surgery Hemorrhoids Imperforate anus repair Intestinal obstruction Intestinal obstruction repair Kidney removal Large bowel resection Meckel’s diverticulectomy Meckel's diverticulum Mesenteric artery ischemia Mesenteric venous thrombosis Ostomy - resources Pancreatic carcinoma Perirenal abscess Peritonitis Peritonitis - secondary Peritonitis - spontaneous Pyloroplasty Small bowel resection Small intestinal ischemia and infarction Umbilical hernia repair VIPoma Zollinger-Ellison syndrome
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