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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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.

youdao