Diseases/disorders of the digestive system
Esophagus
Malignant neoplasm of the esophagus, esophageal varices, achalasia, esophagitis.
Stomach
Malignant neoplasm of the stomach, benign neoplasm of this stomach, gastric ulcer, peptic ulcer, gastritis.
Small intestine/colon
Malignant neoplasm of the colon, duodenal ulcer/duodenitis, benign neoplasm of the duodenum, jejunum, ileum, appendicitis, noninfectious gastroenteritis, intestinal obstruction, diverticula of the small intestine, diverticula of the colon, irritable colon/irritable bowel syndrome, peritonitis, prolapse, abscess.
Rectum
Malignant neoplasm of rectosigmoid junction, malignant neoplasm of rectum, benign neoplasm of rectum, hemorrhoids, anal fissure, abscess of anal and rectal regions, proctitis.
Gallbladder
Calculus of gallbladder, cholecystitis.
Liver
Malignant neoplasm of the liver, cirrhosis of the liver.
Pancreas
Malignant neoplasm of pancreas, benign neoplasm of pancreas, pancreatitis.
Hernia
Inguinal hernia, other hernias with obstruction, ventral hernia, diaphragmatic hernia.