This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
Barret's esophagus can lead to -a) Strictureb) Reflux esophagitisc) Peptic ulcerd) Achalasia 
Select and explain. 
A. ac, B. bc, C. ad, D. b
A: ac
Answer: A: ac 
Explanation: The typical complications of Barrets esophagus include

- peptic ulcers in the columnar lined segment of esophagus
- high and long strictures and
- a dysplasia - cancer sequence.