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': 'A patient presented with abdominal pain, jaundice and melena. The diagnosis is \nSelect and explain. \nA. Hemobilia, B. Acute cholangitis, C. Carcinoma gallbladder, D. Acute pancreatitis', 'role': 'user'}, {'content': "Answer: A \nExplanation: Clinical features of Hemobilia Characterised by Quinck's triad (Sandblom's triad) : GI hemorrhage +biliary colic +jaundice Presentation: Melena (90 %), hemetemesis (60%), biliary colic (70%), and jaundice (60%). Tendency for delayed presentation (upto weeks) and recurrent brisk but limited bleeding over months and even years Ref : Sabiston 20th edition Pgno :1472-1474", 'role': 'assistant'}]