Mesothelioma and Asbestosis Two lung diseases are connected to asbestos fiber exposure mesothelioma and asbestosis. Mesothelioma is a type of cancer, while asbestosis is a noncancerous disease that causes stiffness and scarring in the lungs. Both diseases have the same symptoms, like breathlessness. Doctors diagnose mesothelioma using tests such as https://vimeo.com/703542339