leiomyosarcoma stage 4 life expectancymesothelioma life expectancymyelofibrosis life expectancyenzalutamide life expectancypsoriasis life expectancyasbestosis life expectancyquadriplegic life expectancylife expectancy with hemophiliaasbestos life expectancymyositis life expectancymesothelioma prognosis life expectancykeytruda life expectancy