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 shortness of breathe. The doctors diagnose mesothelioma through tests, such as https://vimeo.com/704727222