This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Gallbladder, Subject name: Surgery
[{'content': "What is the name of this congenital anomaly seen on ultrasound? \nSelect and explain. \nA. Moynihan's hump, B. Phrygian cap, C. Duplication, D. None of the above", 'role': 'user'}, {'content': 'Answer: B \nExplanation: The USG image shows the infoldings of septum b/w fundus & body Phrygian cap is M.C congenital anomaly of gall bladder characterized by infoldings of septum b/w fundus & body. Here the functions of GB are normal & it does not increase the risk of any other malignancy. Not an indication of prophylactic cholecystectomy.', 'role': 'assistant'}]