Mesothelioma and Asbestosis Two lung diseases are related to asbestos fiber exposure: mesothelioma, and asbestosis. Mesothelioma is a kind of cancer and asbestosis is a noncancerous condition that causes stiffness and scarring in the lungs. Both diseases share similar symptoms, including shortness of breath. Doctors diagnose mesothelioma by running tests, https://vimeo.com/705034425