Methods: Peritoneal washings and clinical data of 50 patients with gastric carcinoma and 10 patients with benign gastric diseases were collected.

• 方法：收集50例胃癌患者（胃癌组）及10例胃良性病变患者的腹腔冲洗液，并以胃癌原发灶组织标本作为对照。