Objective: The pupose of this study was to investigate the expressions of Eph-B4 and Ephrin-B2 in haman gastic cancer and their effect on tumor angiogenesis and metastasis.

• 目的 :探讨Eph B4受体与其配体Ephrin B2在胃癌组织中的表达及其对血管生成和肿瘤生物学行为的影响。