<unk>  is a condition in which the tissue lining the esophagus the muscular tube that connects the mouth to the stomach is replaced by tissue that is similar to the lining of the intestine. This process is called intestinal metaplasia.
No signs or symptoms are associated with<unk> , but it is commonly found in people with gastroesophageal reflux disease (GERD). A small number of people with<unk>  develop a rare but often deadly type of cancer of the esophagus.
The average age at diagnosis is 55, but determining when the problem started is usually difficult. Men develop<unk>  twice as often as women, and Caucasian men are affected more frequently than men of other races.<unk>  is uncommon in children.
Barrett's esophagus
Nutcracker esophagus
Zenker's diverticulum
Achalasia
Esophageal candidiasis
CMV esophagitis
Eosinophilic esophagitis
Gastric diverticulum