Illustrates a wide variety of diseases such as: - Cancers of the esophagus - Esophageal varices - Cirrhosis - Fatty liver - Hepatitis - Gallstones - Gastic and duodenal ulcers - Adenocarcinoma of stomach and pancreas - Gastritis - Pancreatitis - Cancers of the colon - Colonic polyps - Diverticulitis of the colon - Inflammatory Bowel Disease - Hernia - Hemorrhoids Size is 20" W by 26" H.