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
The most common complication seen in a hiatus hernia is 
Select and explain. 
A. Esophagitis, B. Aspiration pneumonitis, C. Volvulus, D. Esophageal stricture
A: Esophagitis
Answer: A: Esophagitis 
Explanation: None