Objective To investigate the expression of PD-ECGF in gastric cancer ,also to elucidate its relationship with pathological factors and vascularization of gastric cancer.

• 目的研究血小板衍化内皮细胞生长因子(PD-ECGF)在胃癌组织中的表达以及与临床病理因素、胃癌血管形成等方面的相互关系,进一步从分子水平研究胃癌发生机制。