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
Primary malignancy of pleura is? 
Select and explain. 
A. Mesothelioma, B. Lymphoma, C. Lipoma, D. Squamous cell carcinoma
A: Mesothelioma
Answer: A: Mesothelioma 
Explanation: 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.