 - Persistent, or relapsed non-Hodgkins lymphoma NHL any histology that is chemo-resistant a partial response PR, patients who have received 3 prior chemotherapy regimens, or patients with lymphomas that have a high relapse rate following autologous or syngeneic stem cell transplantation transformed NHL, peripheral T-cell lymphoma PTCL, mantle cell lymphoma MCL, anaplastic lymphoma kinase ALK-negative anaplastic large cell lymphoma ALCL, alk neg, or patients with a positive positron emission tomography PET scan prior to transplant, and otherwise eligible for transplantation with adequate end-organ function 