Mesothelioma and Asbestosis Two lung diseases are connected to asbestos fiber exposure: mesothelioma, and asbestosis. Mesothelioma, a cancerous disease, is caused by asbestos fibers. Asbestosis is a non-cancerous lung disease that can cause scarring. Both diseases share similar symptoms, such as shortness of breath. Doctors diagnose mesothelioma using tests like https://vimeo.com/705017516