Aim: To investigate the relationship between the expression of EGFR,MMP9 and recurrence or metastasis of primary hepatocellular carcinoma (PHC) after operation.

• 目的:探讨原发性肝癌(PHC)组织中表皮生长因子受体(EGFR)和基质金属蛋白酶MMP9的表达与术后复发或转移的关系。