Mesothelioma and Work Exposure The people who work with asbestos are at higher risk of mesothelioma. Construction workers, firefighters and military veterans are at a higher risk. The lung's lining (pleural mesothelioma), or abdomen, is the primary mesothelioma site. In rare cases, it can affect the heart and testicles. Consult https://vimeo.com/704997790