OUTLINE: Peripheral blood stem cells (PBSC) are harvested from the patient and stored. Patients receive ifosfamide IV over 2 hours and topotecan IV over 30 minutes on days -8 to -6, and etoposide IV daily over 24 hours on days -5 to -3. Autologous PBSC are reinfused on day 0. Patients are followed at 1, 3, 6, and 12 months, and then every 6 months thereafter.