| Abdominoperineal resection | Hepatic steatosis |
| Abetalipoproteinemia | Hepatocellular adenomas |
| Acute intractable vomiting | Hepatocellular carcinoma |
| Acutecholangitis | Hiatal hernia |
| Acutegastroenteritis | Hiatus hernia |
| Amebic liver abscess | Hilar cholangiocarcinoma |
| Ampulla of Vater | Hyperemesis gravidarum |
| Appendicitis | Idiopathic ductcentric chronic pancreatitis |
| Ascites | Insulin SynthesisIleal bile acid transporter (IBAT) |
| Aspiration therapy | Ileal pouch-anal anastomosis |
| Atrophic gastritis | Ileorectal anastomosis |
| Autoimmune coeliac disease | Ileostomy |
| Autoimmune pancreatitis | Infected necrotizing pancreatitis |
| Azathioprine | Inflammatory bowel disease |
| Bacillus clausii | Intestinal failure |
| Barrett’s esophagus | Intestinal inflammation |
| Bowels disease | Intestinal lymphoproliferation |
| Biliary stricture | Intestinal metaplasia |
| Biliaryatresia | Intestinal transplant indications |
| Bleeding gastric varices | Intestinal tuberculosis |
| Budesonide | Intestinal vasculture |
| Colorectal Cancer | Intraoperative enteroscopy |
| Cannulas | Irritable bowel syndrome |
| Cecostomy | Infliximab |
| Celiac plexus neurolysis | Jejuno-ilealbypass |
| Celiac disease | Kayexalate colitis |
| Certolizumab pegol | Lactose intolerance |
| Cholangioscopy | Largeintestinestoma |
| Cholecystectomy | Lemmel’s syndrome |
| Cholecystitis | levamisole |
| Choledocholithiasis | Levofloxacin |
| Chronic calcific pancreatitis | linitis plastica |
| Chronic constipation | Liver Fibrosis |
| Chronic intestinal pseudo-obstruction (CIPO) | Liver tumors |
| Chronicpancreatitis | Liver-intestinal transplantation |
| Cirrhosis | Lynch syndrome |
| Clostridium difficile | Macrolides |
| Colectomy | Malignant chronic pancreatitis |
| Colon polypectomy | Malignant gastric outlet obstruction |
| Coloncancer | Mendelson’s syndrome |
| Colonoscopy | Mesalazine |
| Colostomy | Mesentery |
| Crohn's disease | Microscopiccolitis |
| Cryptogenic cirrhosis | Misoprostol |
| Cystoduodenostomy | Mucositis |
| Diabetic gastroparesis | Natalizumab |
| Dieulafoy’s lesion | Neoadjuvant therapy |
| Diminutive colon polyps | Neonatal acute liver failure |
| Diverticulitis | Nitrates |
| Duodenitis | Obscure gastrointestinal bleeding |
| Endoscopic mucosal resection | Obscure GI bleeding |
| Endoscopic sleeve gastroplasty | Ondansetron |
| Pancreaticobiliary cancer | Erosive esophagitis |
| Esophageal adenocarcinoma | Paracentesis |
| Esophageal manometry | Pepticulcer disease |
| Esophagitis | Perianal fistulizing disease |
| Ectopic fat accumulation | ProgesteronePancreaticobiliary cancer |
| Etrolizumab | Peristalsis |
| Exocrine insufficiency | Peritoneal carcinomatosis |
| Peritonitis | Endoscopic retrograde pancreatography |
| Polypoid lesions of gallbladder | Extraintestinal manifestations |
| Portal hypertension | Familial polyposis |
| Post-cholecystectomy syndrome | Fecal markers |
| Pouchitis | Fecal microbiota transplant |
| Primovist | Fecal occult blood |
| Protonpump inhibitors | Fecalcal protectin |
| Prucalopride | Flexible sigmoidoscopy |
| Pseudomyxoma peritonei | Fundic gland polyp |
| Pylori gastritis | Fundoplication |
| Recurrent abdominal pain | Gallbladder |
| Recurrent acute pancreatitis | Gastric antral vascular ectasia |
| Short gut syndrome | Gastric atrophy |
| Spastic colon | Gastric cancer |
| Spontaneous bacterial peritonitis | Gastric electrical stimulation |
| Steatohepatitis | Gastric outlet obstruction |
| Steatorrhea | Gastric peroral endoscopic myotomy (G-POEM) |
| Stomach (gastric) cancer | Gastrinoma |
| Tinidazole | Gastroesophageal reflux disease |
| Toxic hepaitis | Gastroesophageal reflux disease |
| Transarterial chemoembolization | Gastric lesions |
| Gastrointestinal bleed | Gastrointestinal dysmotility |
| Trocar | Gastrointestinal stromal tumor |
| Tropical calcific pancreatitis | Gastric tumor |
| Ulcerative colitis | Gastric precancerous lesions |
| Upper gastrointestinal bleeding | Gastric hepatoid carcinoma |
| Gastrojejunostomy | Ursodeoxycholic acid |
| Gastroparesis | Varicealbleeding |
| Gastroscopy | Vedolizumab |
| Gemicitabine hydrochloride | Venting gastrostomy |
| Giardiasis | Walled-off pancreatic necrosis |
| Gut microbiome | Helicobacter pylori (H. pylori) |
| Hurthle Cell Thyroid Cancer | Helminthiasis |
| Hematochezia | Estomac |
