Clinical study on peritoneal lavage for cytological examination in patients with gastric cancer

Objective To explore the clinical value of intraoperative peritoneal lavage for cytological examination in patients with gastric cancer. Methods More than 100ml peritoneal fluid were collected before intraoperative detection and then sent for free cancer cells(FCC) in 163 patients with resectable gastric cancer. Results The positive rate of FCC is 26.3% in 163 patients and T_1:0、T_2: 13.3% 、T_3: 29.8% 、T_4: 53.8% . The positive rate of FCC with different infiltration area of gastric serosa are ≤10cm...