This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
[{'content': "Localised idiopathic fibrosis following except? \nSelect and explain. \nA. Riedel's struma, B. Hyperophic scar, C. Sclerosing cholangitis, D. Panniculitis", 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Hyperophic scar", 'role': 'assistant'}]