Mesothelioma and Asbestosis Two lung diseases are linked to exposure to asbestos fibers mesothelioma and asbestosis. Mesothelioma is a cancerous condition, is caused by asbestos fibers. Asbestosis is a non-cancerous lung disease that causes scarring. Both diseases have the same symptoms, like breathlessness. Doctors diagnose mesothelioma by testing like a https://vimeo.com/704724811