Results The overall positive rate of MSI in CRC were 47.2%(25/53). 23 case(23/53,43.4%) have MSI at 2 or more than 2 loci which showed DNA replication error(RER)-positive.
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- 结果53例大肠癌中25例存在微卫星不稳定;总阳性率为47.;2%25;其中23例存在2个以上位点的MSI;呈复制误差阳性(RER阳性);占43