- Patients must have an adequate number of stem cells previously collected (i.e., > 2 x 10^8 total nucleated cell [TNC] of bone marrow [BM]/kg or 4 x 10^6 [CD]34+ PBSC/kg, unless approved otherwise by Dr. Holmberg); prior to stem cell collection patients must be documented to be in remission and to have received two cycles of consolidation therapy after induction therapy