Mesothelioma and Asbestosis Two lung diseases are connected to asbestos fiber exposure mesothelioma and asbestosis. Mesothelioma is a cancerous condition, is caused by asbestos fibers. Asbestosis is a non-cancerous lung condition that can cause scarring. Both diseases have similar symptoms, including shortness of breath. The doctors diagnose mesothelioma through tests, https://vimeo.com/704909237