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: ENT
[{'content': 'Most common site in respiratory tract for amyloidosis is: \nSelect and explain. \nA. Lungs, B. Larynx, C. Nose, D. Pharynx', 'role': 'user'}, {'content': 'Answer: B \nExplanation: The larynx is the most common site in the respiratory tract for amyloid deposition. Patient presentation is characterized by the presence of a submucosal mass, which may arise anywhere in the larynx and may impair vocal cord mobility.', 'role': 'assistant'}]