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.
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.
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.
结果显示：肝癌PCNA阳性反应定位于肿瘤细胞核内，阳性细胞百分数在4.3-90.5%之间（平均指数为：33.68%）。
The results showed that PCNA immunoreactivity was confined to the nuclear of cancer cells. The labelling index ranged from 4.3-90.5%(median:33.68%).
结果显示：肝癌PCNA阳性反应定位于肿瘤细胞核内，阳性细胞百分数在4.3-90.5%之间（平均指数为：33.68%）。
The results showed that PCNA immunoreactivity was confined to the nuclear of cancer cells. The labelling index ranged from 4.3-90.5%(median:33.68%).
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