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': 'Chronic smoker develops cough, hemoptysis. Doctor tells him that he is having most malignant type of bronchogenic carcinoma. The type is - \nSelect and explain. \nA. Squamous, B. Small cell, C. Large cell, D. Adenomatous', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Most malignant tumor of lung is small cell carcinoma and it is strongly associated with smoking.', 'role': 'assistant'}]