Objective:To study the relation among the expression of metastatic suppressor gene nm23 H1 in various types of colo rectal cancers,and lymph node metastasis as well as prognosis.

• 目的 :研究肿瘤转移相关基因nm2 3 H1在不同X线分型结肠癌中的表达及其与淋巴结转移、预后的关系。