 - Disease statue: NHL, HD, or MM that are chemorefractory or relapsed; CLL that is Rai Stage IIIIV, or lymphocyte doubling time of 6 months, or stage III that is resistant to 2 chemotherapy regimens; AML or ALL in 1st or subsequent remission with poor prognostic features; CML in accelerated or blast phae; MDS with life-threatening cytopenias; patients who have had a previous autologous or allogeneic bone marrow or stem cell transplant; other hematologic disorders which allogeneic stem cell transplantation is appropriate where the risk of conventional transplantation is considered to be unacceptably high. 