The amount of plasmaDNA in primary EOC was significantly related with the existence of ascites, lymph node metastasis and the size of residual after operation.

• 上皮性卵巢癌组血浆DNA水平与有无伴发腹水、淋巴结转移及残留癌灶大小有明显相关性或趋势，但与临床分期、组织学分级、组织学类型及CA125含量均无明显相关；