c. Relapsed, refractory, or progressive Hodgkin's lymphoma meeting one of the following criteria, and autologous BMT is not recommend: i. PR or better prior to transplantation. ii. Stable disease prior to transplantation, provided that the disease is low-volume and disease control is regarded as sufficient to proceed with BMT. Eligibility of such patients will be determined on a case-by-case basis with the PI or co-PI.