Patients will receive multiple cycles of a dose intensive combination of Paclitaxel and Cyclophosphamide both for the mobilization of peripheral blood progenitor cells and with therapeutic intent. A second induction regimen will consist of four cycles of the combination of Doxorubicin / cyclophosphamide. Patients will subsequently receive high-dose Melphalan and Etoposide followed by the infusion of peripheral blood progenitor cells and granulocytes colony-stimulating-factor (G-CSF).