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:
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
Mesothelioma
Lobular collapse
Bronchogenic carcinoma
Round atelectasis