Barrett esophagus (MONDO_0013662, a Monarch Disease Ontology entry) can be described as follows. Esophageal lesion lined with columnar metaplastic epithelium which is flat or villiform. Barrett epithelium is characterized by two different types of cells: goblet cells and columnar cells. The symptomatology of Barrett esophagus is that of gastro-esophageal reflux. It is the precursor of most esophageal adenocarcinomas. (WHO). Also known as: BE, Barrett esophagus/esophageal adenocarcinoma, Barrett's esophagus, Barrett's esophagus with esophagitis, Barrett's oesophagus, Barrett's oesophagus with esophagitis, Barrett's ulcer of esophagus, Barrett's ulcer of oesophagus.