Mesothelioma and Asbestosis Two lung diseases are related to asbestos fiber exposure mesothelioma and asbestosis. Mesothelioma is a type of cancer and asbestosis is a non-cancerous illness that causes scarring and stiffness in the lungs. Both diseases have similar symptoms, including breathlessness. The doctors diagnose mesothelioma through tests, such as https://vimeo.com/705041898