Mesothelioma and Asbestosis Two lung diseases are connected to asbestos fiber exposure mesothelioma and asbestosis. Mesothelioma is a cancerous illness is caused by asbestos fibers. Asbestosis is a non-cancerous lung illness that causes scarring. Both diseases have the same symptoms, like breathlessness. Doctors diagnose mesothelioma by running tests, including a https://vimeo.com/704991570