Gastroenterology deals in treating diseases related to gastrointestinal tract and disorders associated with it. The branch also includes the understanding of gastrointestinal organs, like the functioning of the liver, digestion and absorption, removal of waste and several others. Any gastrointestinal disorder can cause problems in stomach, esophagus, pancreas, gallbladder, liver, small and large intestines.

Endoscopy is part of the endoscopic treatment which is used by the doctors for a better diagnosis of the condition the patient is suffering from. An endoscope is a flexible tube with a small camera attached to it which is used to perform the test. An endoscope is generally used to inspect body parts like urinary tract, respiratory tract, ear, gastrointestinal tract, and the reproductive system.