This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Lung, Subject name: Surgery
[{'content': 'Following thoracotomy, in a 20-year-old man a lesion is detected in the right lower lung lobe and is found to be nonfunctioning lung tissue that is served by vessels separate from those of the adjacent lung tissue. What is the most likely diagnosis? \nSelect and explain. \nA. Mesothelioma, B. Hiatal hernia, C. Glomus tumor, D. Bronchopulmonary sequestration', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Bronchopulmonary sequestration can be differentiated from a bronchogenic cyst; in that it is composed of nonfunctioning lung tissue that is disconnected from the remaining lung; it has a separate blood supply. Glomus tumors are rare tumors that arise in the middle ear or jugular bulb. Patients complain of tinnitus and hearing loss.', 'role': 'assistant'}]