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: Anatomy
[{'content': 'Clinical features of Choledochal cyst in adult are \nSelect and explain. \nA. Pain, lump and intermittent jaundice, B. Pain, fever and intermittent jaundice, C. Pain, lump and progressive jaundice, D. Pain, fever and progressive jaundice', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Choledochal cyst Cystic dilation of the biliary ducts, more common in females Clinical features. Classical triad : Pain, jaundice (intermittent) & abdominal mass(10%). Most common symptom in infants : Jaundice (in 80%) Most common symptom in patients >2 years of age : Abdominal pain. In children, the major clinical symptoms are recurrent abdominal pain (81.8%), nausea & vomiting (65.5%), mild jaundice (43.6%), an abdominal mass (29%), and fever (29%) In adults, abdominal pain (87%), and jaundice (42%), and present frequently. Less common clinical findings include nausea (29%), cholangitis (26%), pancreatitis (23%), and an abdominal mass(13%) Ref: Sabiston 20th edition Pgno :1511', 'role': 'assistant'}]