Mesothelioma and Asbestosis Two lung diseases are related to asbestos fiber exposure: mesothelioma, and asbestosis. Mesothelioma, a cancerous disease, is caused by asbestos fibers. Asbestosis is a non-cancerous lung disease that causes scarring. Both diseases have similar symptoms, including a shortness of breath. The doctors diagnose mesothelioma using tests, including https://vimeo.com/704940111