Mesothelioma and Asbestosis Two lung diseases are linked to exposure to asbestos fibers: mesothelioma, and asbestosis. Mesothelioma is a form of cancer, while asbestosis is a noncancerous disease that causes scarring and stiffness in the lungs. Both diseases share similar symptoms, like breathlessness. Doctors diagnose mesothelioma by running tests, including https://vimeo.com/703555962