The MMP?2 mRNA was expressed in 27/32 tumor tissues and 18/32 normal tissues. For the TIMP?2, the rates were 29/32 and 25/32, respectively.

• 27/32的肿瘤组织和18/32的正常组织中有MMP?2mRNA表达，TIMP?2mRNA的表达比例分别为29/32和25/32。