Treatment of advanced breast cancer, non-Hodgkin's lymphomas, acute non lymphocytic leukemia palliation of non resectable primary hepatocellular carcinoma. Mitoxantrone in combination with corticosterolds is indicated for inital chemotherapy in patients with pain due to advanced hormone-refractory prostate cancer. For reduction of neurologic disability and/or frequency of clinical relapses in patients with secondary (chronic) progressive, progressive relapsing, or worsening relapsing-remmitting multiple sclerosis (patients whose neurologic status is significantly abnormal between relapses), for patients 18-55 years old.