Mesothelioma and Asbestosis Mesothelioma and asbestosis are two lung conditions that are connected to exposure to asbestos fibers. Mesothelioma is a cancerous illness, is caused by asbestos fibers. Asbestosis is a non-cancerous lung condition that can cause scarring. Both diseases have similar symptoms, such as breathlessness. Doctors diagnose mesothelioma through
