Objective:To investigate the expression of matrix metalloproteinase-9(MMP-9)and GD-147 in human esophageal squamous cell carcinoma(ESCC).

• 目的:探讨基质金属蛋白酶9(MMP-9)和CD-147在食管鳞状细胞癌的表达及其与肿瘤浸润转移的关系。