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Which medical specialty diagnoses and treats diseases of the digestive system?

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The medical specialty dedicated to the diagnosis and treatment of diseases of the digestive system is known as gastroenterology.

Practitioners in this field, called gastroenterologists, specialize in managing disorders affecting the esophagus, stomach, intestines, liver, biliary tract, and pancreas. They address a wide range of conditions, including gastroesophageal reflux disease (GERD), inflammatory bowel diseases, and colorectal cancer.1