Introduction Colon [+] Colitis Allergic Colitis Infectious Colitis Inflammatory Bowel Disease Crohns Disease Ulcerative Colitis Ischemic Colitis Necrotizing Enterocolitis Colonic Adenocarcinoma Colon Polyps Adenomatous Polyp Hyperplastic Polyp Gallbladder Liver [+] Cholestatic Extrahepatic Biliary Atresia Neonatal giant cell hepatitis Paucity of Bile Ducts Sclerosing Cholangitis Fulminant hepatic failure Pancreas Tumor Intraductal Papillary Mucinous Neoplasm Nontumor Small Bowel Stomach [+] Gastric Polyps Fundic Gland Polyp Gastritis Inflammatory Bowel Disease Crohns Disease Ulcerative Colitis Neuroendocrine