text: The diagnosis of Barrett's esophagus is made on endoscopy, when at least 2 of the following diagnostic criteria are met which include presence of columnar epithelium in the distal esophagus and the presence of intestinal metaplasia in the columnar epithelium lining the distal esophagus.
option_0: Barrett's esophagus diagnostic study of choice
option_1: Esophageal cancer diagnostic study of choice
option_2: Stomach cancer Diagnostic study of choice
option_3: Hypopharyngeal cancer diagnostic study of choice
option_4: Barrett's esophagus differential diagnosis
option_5: Pyloric stenosis diagnostic study of choice
option_6: Esophageal stricture diagnostic study of choice
option_7: Dysphagia diagnostic study of choice