根据既往报告剖腹探查时行腹膜冲洗检查腹膜内癌细胞是一项有用的方法，假阳性单＜5％。本文作者采用前瞻性研究方法，对有可能切除的浆膜受累的胃癌患者134例，在预施行广泛淋巴结清扫（RG）术前行腹膜冲洗及细胞学检查。有明显不能治愈指征者（如腹膜种植，肝转移，广泛淋巴 According to previous reports of exploratory laparotomy, peritoneal lavage was used to detect intra-peritoneal cancer cells. It is a useful method, with a false positive of <5%. The authors of this study used a prospective study of 134 patients with possibly resected serosal-affected gastric cancer who underwent extensive lymphadenectomy (RG) prior to peritoneal lavage and cytology. Obviously incurable indicators (such as peritoneal implantation, liver metastases, extensive lymphoid