Key Laboratory of Carcinogenesis and Translational Research(Ministry of Education/Beijing);
Center of Gastrointestinal Surgery;
Peking University Cancer Hospital&Institute;
Beijing 100142;
China;
Key Laboratory of Carcinogenesis and Translational Research(Ministry of Education/Beijing);
Department of Pathology;
Peking University Cancer Hospital&Institute;
Beijing 100142;
China;
Cyttel Biosciences INC;
Taizhou 225316;
China;
Key Laboratory of Carcinogenesis and Translational Research(Ministry of Education/Beijing);
Clinical Laboratory;
Peking University Cancer Hospital&Institute;
Beijing 100142;
China;
NEimFISH; gastric cancer; peritoneal metastasis; conventional cytology; intraperitoneal free cancer cells;