Mesothelioma and Asbestosis Two lung diseases are connected to exposure to asbestos fibers mesothelioma and asbestosis. Mesothelioma is a type of cancer and asbestosis is a non-cancerous illness that causes stiffness and scarring in the lungs. Both diseases share similar symptoms, including breathlessness. Doctors diagnose mesothelioma by testing, such as https://vimeo.com/704928811