This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Medicine
[{'content': "Adenocarcinoma of oesophagus is associated with \nSelect and explain. \nA. Achalasia, B. Stricture, C. Corrosive bums, D. Barret's oesophagus", 'role': 'user'}, {'content': "Answer: D \nExplanation: (D) Barret's oesophagus # Geographical variation of oesophageal cancer> Adenocarcinoma now accounts for 60-75% of all oesophageal cancers in several countries.> The reason for the change is not understood, but may be due to a changed incidence of Barret's oesophagus.# Complications of Barret's Oesophagus> Oesophageal ulcers: Barret's ulcer - pain, bleeding, perforation.> Oesophageal stricture: Usually located in middle or upper oesophagus. Peptic stricture occur in the distal oesophagus.> Dysplasia and Adenocarcinoma.", 'role': 'assistant'}]