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: Radiology
Chest X-ray of an industrial worker exposed to asbestos for 20 yrs shows diffuse appearance of lower lobe with 'comet tail' infarct on PA view. The most likely diagnosis is: 
Select and explain. 
A. Mesothelioma, B. Lobular collapse, C. Bronchogenic carcinoma, D. Round atelectasis
A: Mesothelioma
Answer: A: Mesothelioma 
Explanation: This is a case of mesothelioma secondary to asbestos exposure. The diffuse appearance of lower lobe with 'comet tail' infarct is typical of mesothelioma. Ref: Aicle: The Comet Tail Sign1; 1999