Mesothelioma and Asbestosis Two lung diseases are connected 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 share similar symptoms, including shortness of breathe. Doctors diagnose mesothelioma by testing like https://vimeo.com/703526540