检测乳腺癌患者的四项细胞免疫参数：T淋巴细胞总数、CD＋／CDs＋比值、sIL－2R及NK细胞活性。结果显示，不能手术组患者的T淋巴细胞、CD＋／CD＋比值、NK细胞活性明显低于健康对照组及手术后组，而sIL－2R明显高于健康对照组和手术后组。此外，不能手术组和手术后组的NK细胞活性与sIL－2R呈负相关。提示用NK细胞活性和sIL－2R的检测作为癌症患者细胞免疫状态的监测指标有实用的临床意义。 Four cellular immune parameters were measured in breast cancer patients: total number of T lymphocytes, CD+/CDs+ ratio, sIL-2R, and NK cell activity. The results showed that the T-lymphocytes, CD+/CD+ ratio, and NK cell activity in the non-surgical group were significantly lower than those in the healthy control group and the postoperative group, while the sIL-2R was significantly higher than that in the healthy control group and the post-operative group. In addition, the NK cell activity in the non-surgical group and the post-operative group was negatively correlated with sIL-2R. The use of NK cell activity and the detection of sIL-2R as a monitoring indicator of cellular immune status in cancer patients has practical clinical significance.