Mesothelioma and Asbestosis Two lung diseases are linked to exposure to asbestos fibers: mesothelioma, and asbestosis. Mesothelioma is a cancerous condition is caused by asbestos fibers. Asbestosis is a non-cancerous lung condition that causes scarring. Both diseases have similar symptoms, like shortness of breath. Doctors diagnose mesothelioma by running tests, https://vimeo.com/703533280