OUTLINE: Autologous peripheral blood mononuclear cells (PBMNC) are harvested. Unselected PBMNC are cultured and expanded ex vivo in flt3 ligand, interleukin-3, filgrastim (G-CSF), sargramostim (GM-CSF), and epoetin alfa for 13 days. Expanded PBMNC are reinfused on day 0.