A 72-year-old man has had increasing dyspnea for the past year. Decreased breath sounds are heard on auscultation of the right side of the chest. A chest radiograph shows a large pleural mass that nearly encases the right lung. Exposure to which of the following metals is most likely to be associated with these findings?

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