TM is related to MTS1 gene expression deficit of rectal carcinoma, showing that MTS1 gene expression deficit or mutation may be a factor inducing transitional change adjacent to carcinoma.

• 直肠癌旁移行粘膜与直肠癌MTS1表达缺失之间存在一定的相关性，提示MTS1基因突变或缺失是导致癌旁移行性变化的因素之一。