cutaneous leiomyosarcoma prognosisleiomyosarcoma stage 3 prognosisleiomyosarcoma lungs prognosisuterine leiomyosarcoma survival rateleiomyosarcoma survivaluterine cancer prognosisserous uterine cancer prognosisstage 3 uterine cancer prognosisprognosis of gallbladder cancerdlbcl prognosisaddison's disease prognosisimmunotherapy for uterine cancer