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': 'The following patient on chest X-ray revealed hyperlucent lung on Right side. Probable diagnosis: \nSelect and explain. \nA. Pulmonary embolism, B. Lung collapse, C. Poland syndrome, D. Pulmonary arterial hypoplasia', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Poland syndrome is characterized by absent pectoralis major on Right side and clubbed fingers, which is one of the cause for Unilateral hyperlucent lung.', 'role': 'assistant'}]