Gastroenterology addresses digestive health and treats common concerns such as diarrhea, constipation, weight loss, trouble swallowing, abdominal pain, reflux (heartburn) , irritable bowel syndrome and hepatitis. Many other  problems with the gi tract are also addressed. The digestive system and common complaints associated with it includes the: Esophagus : reflux, strictures, eosinophilic esophagitis,ulcers,trouble swallowing , ulcers and other disorders Stomach: ulcers, H pylori, gastritis, gastric cancer and other disorders Small intestine:  inflammatory bowel disease, celiac sprue, tumors and other disorders Large intestine (colon): polyps,colon cancer,colitis and other disorders Liver: hepatitis, fatty liver(NASH), cirrhosis, hepatic cysts,hepatoma and other disorders Pancreas: pancreatic cyst,pancreatitis,cancer and other disorders Gallbladder and bile ducts: gallstones,cancer and other disorders.