This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Oesophagus, Subject name: Surgery
Patient becomes symptom free after surgery in which of the following condition? 
Select and explain. 
A. Diffuse Esophageal Spasm, B. Achalasia Cardia, C. Nutcracker Esophagus, D. Jack hammer Esophagus
B: Achalasia Cardia
Answer: B: Achalasia Cardia 
Explanation: Ans. (b) Achalasia CardiaRef: Sabiston 20th Edition Page 1019* Among the diseases given in the list , Achalasia Cardia shows the best response to surgery - Modified Heller's Cardiomyotomy