Mesothelioma and Asbestosis Two lung diseases are connected to exposure to asbestos fibers mesothelioma and asbestosis. Mesothelioma is a cancerous illness, is caused by asbestos fibers. Asbestosis is a non-cancerous lung disease that causes scarring. Both diseases have similar symptoms, like breathlessness. Doctors diagnose mesothelioma by testing, such as a https://vimeo.com/705059659