Mesothelioma and Asbestosis Mesothelioma and asbestosis are two lung diseases linked to exposure to asbestos fibers. Mesothelioma, a cancerous disease is caused by asbestos fibers. Asbestosis is a non-cancerous lung illness that can cause scarring. Both diseases have the same symptoms, such as breathlessness. Doctors diagnose mesothelioma using tests like https://vimeo.com/705037541