. 2018 Sep;39(9):739–744. [Article in Chinese] doi: 10.3760/cma.j.issn.0253-2727.2018.09.007
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图2. 接受R-CHOP方案治疗患者不同预后分层模型危险分层后的总生存（A~C）和无事件生存（D~F）曲线.
IPI评分（A、D）；美国国家癌症网络IPI评分（B、E）；年龄调整的IPI评分（C、F）