The Digestive System specialty is defined as that part of Medicine that deals with diseases that affect the digestive tract and associated glandular organs (esophagus, stomach, small intestine, colon, rectum, anus, liver, bile ducts and pancreas), as well as the repercussions of digestive diseases on the rest of the human organism and conversely the repercussions of diseases of the rest of the organism on the digestive system.

The digestive system specialist knows these diseases well and uses the ultrasound and digestive endoscopy techniques necessary for their diagnosis and treatment.