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': 'In case of Ca lung which among the following will be C/I for surgical resection - \nSelect and explain. \nA. Malignant pleural effusion, B. Hilar lymphadenopathy, C. Consolidation of one lobe, D. Involvement of visceral pleura.', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]