👉 Gastroenterology is a branch of medicine that focuses on the study and treatment of diseases affecting the digestive system, including the stomach, small intestine, colon, and rectum. It also includes conditions related to the liver, pancreas, bile ducts, and gallbladder. The term "gastroenterology" refers to the study of the digestive system as a whole, which is crucial for understanding diseases that affect the digestive tract.