Diseases Gastroenterology Diseases Gastroenterologic Cancers @ MedNets Hepatitis Acute Peritonitis - Merck Manual Adenomatous Polyposis of the Colon - OMIM, NLM Alagille Syndrome - OMIM, NLMN Alcoholic Liver Disease - CPMCNet Alcoholic Liver Disease, Liver Failure, and Chronic Liver Disease - Virtual Hospital Alpha-1-antitrypsin Deficiency - OMIM, NLM Anorectal Diseases - Virtual Hospital  Appendicitis - Merck Manual Bacterial Peritonitis, Ascites and Spontaneous - Virtual Hospital Biliary Atresia - C.L.A.S.S. Budd Chiari Syndrome - Merck Manual Byler Disease - OMIM, NLM Carcinoid Disease - Carcinoid Foundation Caroli Disease - OMIM, NLM Celiac Disease and Gluten Sensitivity - CPMCNet Celiac Sprue (Gluten-Sensitive Enteropathy) - Virtual Hospital  Cirrhosis - CPMCNet Clostridium Difficile Infection - Virtual Hospital  Constipation - Merck Manual   Crigler-Najjar Syndrome - OMIM, NLM Crohn's Disease - Merck Manual Diarrhea, Acute - Virtual Hospital Diarrhea, Chronic - Virtual Hospital  Diarrhea - Merck Manual Diarrhea, Traveler's - Merck Manual Diarrhea, Traveler's - Virtual Hospital   Diverticular Disease - Merck Manual Diverticular Disease - Virtual Hospital  Dubin-Johnson Syndrome - OMIM, NLM Dyspepsia - Virtual Hospital  Escherichia Coli O157:H7 Infectio - Merck Manual Esophageal Diseases - Virtual Hospital  Fatty Liver - CPMCNet Foodborne Illness - CDC Foodborne Pathogenic Microorganisms And Natural Toxins - F.D.A. Galactosemia - OMIM, NLM  Gastritis and Peptic Ulcer Disease - Merck Manual  Gastroenteritis - Merck Manual Gastroenteritis, Viral - Merck Manual   Gastroesophageal Reflux Disease - NIDDK Gastrointestinal Diseases - Weill Medical College of Cornell University Giardiasis - Virtual Hospital  Gilbert Syndrome - OMIM, NLM  Glycogen Storage Disease I - OMIM, NLM Helicobacter Pylori and Peptic Ulcer - NIDDK Helicobacter Pylori - CDC Hemangioma - CPMCNet Hemochromatosis - OMIM, NLM Hemorrhoids - NIDDK Hepatic Encephalopathy - Virtual Hospital Hepatitis Acute Hepatitis - Veterans Affairs, US Government Acute Viral Hepatitis - Merck Manual  Autoimmune Hepatitis - CPMCNet Chronic Hepatitis - Merck Manual  Hepatitis A - FDA Hepatitis B - CPMCNet Hepatitis C - CPMCNet Hepatitis C - CDC Hepatitis D - CPMCNet Hepatitis E - FDA Hepatitis G - CPMCNet Hepatitis - Merck Manual  Viral Hepatitis - CDC Viral Hepatitis - Virtual Hospital   Hirschsprung's Disease - OMIM, NLM Hyperbilirubinemia, Rotor Type - OMIM, NLM Inflammatory Bowel Disease - Virtual Hospital  Irritable Bowel Syndrome - Merck Manual Irritable Bowel Syndrome - NIDDK Irritable Bowel Syndrome - Virtual Hospital  Lactose Intolerance - NIDDK Lactose Intolerance - Virtual Hospital  Norovirus - CDC Pancreatitis, Acute - Virtual Hospital Pancreatitis - Merck Manual Parasites of the Intestinal Tract - CDC Peptic Ulcer Disease - Virtual Hospital Peritonitis, Chronic - Merck Manual  Porphyria Cutanea Tarda - OMIM, NLM Primary Biliary Cirrhosis - CPMCNet Protoporphyria, Erythrohepatic - OMIM, NLM Rotor Syndrome - OMIM, NLM Sclerosing Cholangitis - CPMCNet Shwachman-Diamond Syndrome (SDS) - OMIM, NLM  Spiral Bacteria in the Human Stomach: The Gastric Helicobacters - Uniformed Services University  Ulcerative Colitis - Merck Manual Ulcerative Colitis - NIDDK Wilson Disease - OMIM, NLM Updated 05/19/03