Mesothelioma and Asbestosis Two lung diseases are related to exposure to asbestos fibers: mesothelioma, and asbestosis. Mesothelioma is a kind of cancer and asbestosis is a non-cancerous illness that causes scarring and stiffness in the lungs. Both diseases have similar symptoms, such as breathlessness. The doctors diagnose mesothelioma using tests, https://vimeo.com/705031367