This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Respiration, Subject name: Pathology
[{'content': 'Primary malignancy of pleura is? \nSelect and explain. \nA. Mesothelioma, B. Lymphoma, C. Lipoma, D. Squamous cell carcinoma', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Mesothelioma * Primary tumors of pleura are pleural fibroma (benign mesothelioma) and malignant mesothelioma.Remember - Secondary tumors are more common than primary tumors in pleura and most commonly metastasize from lung and breast cancers.", 'role': 'assistant'}]