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: Pathology
[{'content': 'Clubbing is commonly seen in all of the following except: March 2010 \nSelect and explain. \nA. Mesothelioma, B. Tropical eosinophilia, C. Bronchiectasis, D. Fibrosing alveolitis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. B: Tropical eosinophiliaABCDEF for Lung-related causes of clubbing: Abcess (lung)Bronchiectasis (including CF)Cancer (lung)Decreased oxygen (hypoxia)EmpyaemaFibrosing alveolitis', 'role': 'assistant'}]