Chemotherapy consisted of MOPP-ABV (mechlorethamine, vincristine, procarbazine, prednisone -- doxorubicin, bleomycin and vinblastine). Median follow-up was 92 months.

• 化疗方案为MOPP-ABV方案（氮芥、长春新碱、甲基苄肼、强的松，阿霉素、博莱霉素和长春花碱）。跟踪期中位为92个月。