Mesothelioma and Asbestosis Two lung diseases are related to asbestos fiber exposure: mesothelioma, and asbestosis. Mesothelioma is a cancerous condition, is caused by asbestos fibers. Asbestosis is a non-cancerous lung illness that causes scarring. Both diseases share similar symptoms, including a shortness of breathe. The doctors diagnose mesothelioma using tests, https://vimeo.com/705000776