This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous Questions, Subject name: Medicine
[{'content': 'Differential diagnosis of a solitary pulmonary nodule includes all of the following except: \nSelect and explain. \nA. Neurofibroma, B. Hamaoma, C. Tuberculoma, D. Bronchial adenoma', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Solitary pulmonary nodule- discrete, well-marginated, rounded opacity less than or equal to 3 cm in diameter that is completely surrounded by lung parenchyma, does not touch the hilum or mediastinum, and is not associated with adenopathy, atelectasis, or pleural effusion. Causes of solitary pulmonary nodules: Tumors Inflammatory Bronchogenic carcinoma Solitary pulmonary metastasis Lymphoma Carcinoid tumour Pulmonary hamaoma Granuloma Lung abscess Rheumatoid nodule Pulmonary inflammatory pseudotumour - plasma cell granuloma Small focus of pneumonia - round pneumonia', 'role': 'assistant'}]