On this page: - What is Barrett’s esophagus? - What is the upper
gastrointestinal (GI) tract? - How common is Barrett’s esophagus
and who is affected? - What causes Barrett’s esophagus? - What
factors lower a person’s risk of Barrett’s esophagus? - How is
Barrett’s esophagus diagnosed? - What is the risk of esophageal
adenocarcinoma in people with Barrett’s esophagus? - How is
Barrett’s esophagus treated? - Eating, Diet, and Nutrition -
Points to Remember - Hope through Research - For More
Information What is Barrett’s esophagus? Barrett’s esophagus is
a condition in which the tissue lining the esophagus—the
muscular tube that carries food and liquids from the mouth to
the stomach—is replaced by tissue that is similar to the
intestinal lining. This process is called intestinal metaplasia.
People with Barrett’s esophagus are at increased risk for a rare
type of cancer called esophageal adenocarcinoma. What is the
upper gastrointestinal (GI) tract? The upper GI tract includes
the mouth, esophagus, stomach, and