Mesothelioma and Asbestosis Mesothelioma and asbestosis are two lung diseases linked to exposure to asbestos fibers. Mesothelioma is a form of cancer and asbestosis is a non-cancerous illness that causes stiffness and scarring in the lungs. Both diseases have similar symptoms, like breathlessness. Doctors diagnose mesothelioma by testing like a https://vimeo.com/704910942