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
Adenocarcinoma of oesophagus is associated with 
Select and explain. 
A. Achalasia, B. Stricture, C. Corrosive bums, D. Barret's oesophagus
D: Barret's oesophagus
Answer: D: Barret's oesophagus 
Explanation: (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.