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
Hellers operation is indicated for 
Select and explain. 
A. Achlasia, B. Gastric cancer, C. Esophageal cancer, D. Hiatus hernia
A: Achlasia
Answer: A: Achlasia 
Explanation: Ans. is 'a' i.e., Achalasia * The most common surgical procedure for achalasia is laparoscopic Heller myotomy, usually performed in conjunction with an antireflux procedure (partial fundoplication); good to excellent results are reported in 62- 100% of cases.