Abstract:Objective To study the accuracy of laparoscopy in preoperative staging of advanced gastric cancer and its clinical value. Methods A retrospective analysis of 85 cases with advanced gastric cancer in our hospital from March 2014 to March 2017 was carried out. Forty of them received laparoscopic surgery (laparoscopic surgery group) while the rest had traditional surgical treatment (traditional surgery group), and the accuracy of preoperative TNM staging, metastasis and prognosis of advanced gastric cancer were compared between these two groups. Results The accuracy rates of T staging, N staging for advanced gastric cancer of laparoscopic surgery group were significantly higher than those of the traditional surgery group (P < 0.05); the detection rates of peritoneal metastasis and recessive peritoneal metastasis of laparoscopic surgery group were significantly higher than those of the traditional surgery group (P < 0.05); the efficacy of laparoscopic surgery group was significantly higher than that of the traditional surgery group (80.0% vs 57.8%) (P < 0.05). Conclusion Laparoscopy is helpful for accurate preoperative staging and avoiding unnecessary open - abdominal surgery. It is of guiding significance for the treatment of advanced gastric cancer and has a good effect in the prognosis.