A 65-year-old man worked in a shipyard for 10 years, and then he worked for 5 years for a company that installed fire retardant insulation. He experienced increasing dyspnea for 11 years with progressive respiratory failure and hypoxemia. A CT scan of his chest now shows a large mass encasing the left lung. Which of the following findings is most likely to be seen on a chest radiograph in this patient?

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Vikas Bhardwaj
Medical Technologist, AIIMS New Delhi
Updated: Apr 17, 2026