Mesothelioma and Work Exposure Mesothelioma is more prevalent in people who work with asbestos. Firefighters, construction workers and military veterans are at higher risk. Mesothelioma mostly affects the lining of the lungs (pleural mesothelioma) or the abdomen. In rare cases, it may affect the heart or testicles. See your GP https://vimeo.com/705037267