Mesothelioma and Work Exposure The people who work with asbestos are at higher risk of developing mesothelioma. Construction workers, firefighters, or military veterans are at a higher risk. Mesothelioma primarily affects the lung's lining (pleural mesothelioma) or abdomen. In rare cases it can affect the testicles and the heart. Consult https://vimeo.com/704975479