Mesothelioma and Asbestosis Mesothelioma and asbestosis are two lung diseases that are linked to exposure to asbestos fibers. Mesothelioma is a cancerous illness, is caused by asbestos fibers. Asbestosis is a non-cancerous lung disease that causes scarring. Both diseases have the same symptoms, such as breathlessness. Doctors diagnose mesothelioma through
