The positive expression rate of DCN mRNA in 30 cases of colorectal carcinoma was 66.67%(20/30),while the positive expression rate of DCN mRNA in 20 cases of relative normal tissue was 85.00%(17/20). The difference between them was not significant(P>0.05).

• 30例结直肠癌患者；DCN mRNA表达阳性率为66.；67%25(20/30); 20例相对正常大肠腺细胞中；DCN mRNA表达阳性率为85