Mesothelioma and Asbestosis Two lung diseases are linked to asbestos fiber exposure: mesothelioma, and asbestosis. Mesothelioma is a form of cancer, while asbestosis is a non-cancerous illness that causes stiffness and scarring in the lungs. Both diseases share similar symptoms, such as breathlessness. Doctors diagnose mesothelioma by testing like a https://vimeo.com/704900016