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1 资料与方法 1.1 研究对象 乳腺癌病人62例，年龄在21-72岁之间，平均年龄44±13.2岁。其中Ⅰ-Ⅱ期病人 22例，Ⅲ-Ⅳ期病人40例，均经手术及病理证实。另设40名健康妇女为对照组，平均年龄40±12.5岁。 1.2 研究方法 1.2.1 T细胞亚群的测定：取乳腺癌患者手术、化疗前后及正
1 Materials and Methods 1.1 Study Objective 62 cases of breast cancer patients, aged 21-72 years, with an average age of 44 ± 13.2 years. Among them, 22 cases of stage Ⅰ-Ⅱ and 40 cases of stage Ⅲ-Ⅳ were confirmed by operation and pathology. Another 40 healthy women as the control group, the average age of 40 ± 12.5 years old. 1.2 research methods 1.2.1 Determination of T cell subsets: take breast cancer patients before and after chemotherapy and positive