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
Feature of Achalasia cardia (cardiospasm) include all of the following except- 
Select and explain. 
A. Increasing dificulty in swallowing more for liquids than for soilds, B. Regurgitant vomiting, C. Dilated & turtuous esophagus, D. Filling defect on barium study
D: Filling defect on barium study
Answer: D: Filling defect on barium study 
Explanation: None