标记指数(LI)为阳性细胞率，检测了活检与外科手术之间CDK4 LI变化与生存之间的关系。

Labeling index (li) was presented by the percentage of positive cells, and change of CDK4 li between biopsy and surgical operations was examined for association with survival.

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方法采用原位切口末端标记方法检测细胞凋亡，平均每100个细胞内的阳性细胞数为凋亡指数(AI)。

Method Apoptosis was determined by the method of in situ Nick end labeling. Apoptotic index (AI) means the Numbers of apoptotic cells per 100 cells.

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增殖指数（PI）表示肿瘤细胞中PCNA阳性细胞百分比。

The proliferation index (PI) was expressed as a percentage of the PCNA-positive cells in the tumor cells.

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