OUTLINE: Autologous bone marrow or peripheral blood stem cells (PBSC) are harvested. Patients receive high-dose thiotepa IV over 3 hours on days -8 to -6, carboplatin IV over 4 hours on days -5 to -3, and topotecan IV over 30 minutes on days -8 to -4. Autologous bone marrow or PBSC are reinfused on day 0. Patients receive filgrastim (G-CSF) IV twice daily beginning on day 1.