Clinical data of the 8 HIV-negative PBL patients.

Abbreviations: BM involvement, bone marrow involvement; Bor, bortezomib; CHOP, cyclophosphamide+doxorubicin+vincristine+ prednisolone; CHOPE, cyclophosphamide+doxorubicin+vincristine+prednisolone+etoposide; CR, complete remission; CSF cytology, cerebrospinal fluid cytology; DOD, death of disease; ECOG PS, Eastern Cooperative Oncology Group performance status; GEMOX, gemcitabine+oxaliplatin; IFRT, involved-field radiotherapy; IgA, immunoglobulin A; M protein, monoclonal protein; N/A, not applicable; PBL, plasmablastic lymphoma; PD, progressive disease; PR, partial remission.