Mesothelioma and Asbestosis Two lung diseases are related to exposure to asbestos fibers: 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 the same symptoms, including breathlessness. The doctors diagnose mesothelioma through tests https://vimeo.com/704981185