- Regimen A: Patients with poor prognosis intermediate-grade lymphoma (IGL) in first CR or IGL or low-grade lymphoma (LGL) in second or greater CR receive mobilization with filgrastim (G-CSF) subcutaneously (SC) daily on days 1-7. Autologous peripheral blood stem cells (PBSC) are harvested and selected for CD34+ cells on days 5 and 6 (and day 7 if needed).