Surgery Features of achalsia cardia are all of the following except: March 2009 A Regurgitant vomiting B Elongated and dilated esophagus C Rat-tail deformity and filling defect on barium study D Increased difficulty in swallowing 💡 Explanation Features of achalsia cardia are all of the following except: March 2009 ✓ Correct Answer: C. Rat-tail deformity and filling defect on barium study