{
  "nodes": [
    {
      "name": "弥漫性大B细胞淋巴瘤",
      "type": "疾病",
      "description": "来源于成熟B细胞的侵袭性肿瘤"
    },
    {
      "name": "非特指型",
      "type": "亚型",
      "description": "DLBCL的亚型之一"
    },
    {
      "name": "无痛性肿物",
      "type": "症状",
      "description": "常见症状之一"
    },
    {
      "name": "病理活检",
      "type": "诊断方法",
      "description": "确诊DLBCL的主要方法"
    },
    {
      "name": "R-CHOP",
      "type": "治疗方案",
      "description": "一线治疗方案"
    },
    {
      "name": "IPI",
      "type": "预后因素",
      "description": "国际预后指数"
    },
    {
      "name": "年龄＞60岁",
      "type": "危险因素",
      "description": "IPI危险因素之一"
    },
    {
      "name": "三联鞘内注射",
      "type": "预防方法",
      "description": "中枢神经系统预防方法"
    },
    {
      "name": "3个月一次随访",
      "type": "随访建议",
      "description": "治疗后随访频率"
    }
  ],
  "relationships": [
    {
      "source": "弥漫性大B细胞淋巴瘤",
      "target": "非特指型",
      "type": "HAS_SUBTYPE"
    },
    {
      "source": "弥漫性大B细胞淋巴瘤",
      "target": "无痛性肿物",
      "type": "HAS_SYMPTOM"
    },
    {
      "source": "弥漫性大B细胞淋巴瘤",
      "target": "病理活检",
      "type": "DIAGNOSED_BY"
    },
    {
      "source": "弥漫性大B细胞淋巴瘤",
      "target": "R-CHOP",
      "type": "TREATED_WITH"
    },
    {
      "source": "弥漫性大B细胞淋巴瘤",
      "target": "IPI",
      "type": "HAS_PROGNOSTIC_FACTOR"
    },
    {
      "source": "弥漫性大B细胞淋巴瘤",
      "target": "年龄＞60岁",
      "type": "HAS_RISK_FACTOR"
    },
    {
      "source": "弥漫性大B细胞淋巴瘤",
      "target": "三联鞘内注射",
      "type": "PREVENTED_BY"
    },
    {
      "source": "弥漫性大B细胞淋巴瘤",
      "target": "3个月一次随访",
      "type": "FOLLOWED_BY"
    }
  ]
}