Mesothelioma and Asbestosis Two lung diseases are connected to asbestos fiber exposure: mesothelioma, and asbestosis. Mesothelioma is a form of cancer and asbestosis is a noncancerous condition that causes scarring and stiffness in the lungs. Both diseases have the same symptoms, including breathlessness. Doctors diagnose mesothelioma through tests, which include https://vimeo.com/705049874