Special Cases of High-Risk Lymphoma, including but not limited to : (1) plasma dendritic cell type, 2) Hepato-splenic T cell type, 3) gamma delta pinniculitic T cell type, 4) Muco-cutaneous NK cell type and 5) stage III-IV nasal NK cell type- Disease Status: a) Primary treatment failure, b) Relapse after autologous, c) Non-CR after salvage regimen, d) In forist CR or any later CR