OUTLINE: This is a multicenter study. Patients receive mobilization therapy and undergo leukapheresis according to a standard protocol. High dose chemotherapy is administered on days -7 to -1, also according to a standard protocol. On day 0, autologous hematopoietic stem cells transduced with genes RevM10 or RevM10/polAS are infused. Unmodified autologous peripheral blood stem cells are reinfused on day 1. Patients are followed daily for 2 weeks, weekly for 2 weeks, monthly for 1 year, then annually thereafter.