what is barrett's disease
Barrett's Disease. Barrett's disease is a condition in which the cells lining the esophagus change and become similar to the cells lining the intestine.arrett's disease is more commonly referred to as Barrett's esophagus. (Click Barrett's Esophagus for more information about the potential risk factors of Barrett's disease, tests and procedures used in making a diagnosis, and various treatment options that are available.). Barrett's Esophagus Information.