This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Surgery
The most common symptom seen in a paraoesophageal hernia is 
Select and explain. 
A. dysphagia, B. hea burn, C. regurgitation, D. shoness of breath
A: dysphagia
Answer: A: dysphagia 
Explanation: Most common symptoms attributed to para oesophagal hernia are gastroesophageal obstructive symptoms, including dysphagia, odynophagia, and early satiety Reference: Sabiston 20th edition page: 1083