This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bleeding from the GUT and diseases of esophagus, Subject name: Medicine
Endoscopic mucosal resection in Barrett's esophagus results in: 
Select and explain. 
A. Stricture esophagus, B. Peptic ulceration, C. Reflux esophagitis, D. Achalasia cardia
A: Stricture esophagus
Answer: A: Stricture esophagus 
Explanation: Complications of endoscopic therapy in barrett esophagus should be divided into immediate and delayed outcomes. Immediate complications include bleeding and perforation. Delayed complications from ablative therapy include stricture formation.