Mesothelioma and Work Exposure Mesothelioma is more common among those who work with asbestos. Construction workers firefighters, military veterans or firefighters are particularly at risk. Mesothelioma mostly affects the lung's lining (pleural mesothelioma) or the abdomen. In rare cases, it may affect the testicles or the heart. See your GP https://vimeo.com/705054829