Mesotheliomas sole cause is Asbestos exposure. When a person inhales or ingests fibers during Asbestos exposure, they can become lodged in the cells lining vital organs. This is the only known cause of Mesothelioma. Our attorneys have been helping victims since 1974. Find out about Mesothelioma and Asbestos exposure at our website, or call today for a no cost evaluation in the San Francisco area.