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胃癌分为进展期胃癌和早期胃癌。进展期胃癌手术后5年生存率仅20%左右,而早期胃癌术后5年生存率可达90%,其中微小胃癌术后的10年生存率几乎达到100%,因而提高早期胃癌的检出率,对于降低胃癌的死亡率是非常重要的。但早期胃癌的发现,尤其是微小胃癌的诊断是相当不容易的。目前,诊断早期胃癌的最好方法仍为纤维胃镜检查。随着纤维胃镜的广泛使用和内镜技术的提高,早期胃癌的检出水平
Gastric cancer is divided into advanced gastric cancer and early gastric cancer. The 5-year survival rate of advanced gastric cancer after surgery is only about 20%, and the 5-year survival rate of early gastric cancer can reach 90%. The 10-year survival rate of tiny gastric cancer after surgery is almost 100%, thus improving the detection of early gastric cancer. Rate is very important for reducing the mortality of gastric cancer. However, the discovery of early gastric cancer, especially the diagnosis of tiny gastric cancer, is not easy. At present, the best way to diagnose early gastric cancer is still fiberoptic gastroscopy. With the wide use of fiber endoscopy and improvement of endoscopic techniques, the detection level of early gastric cancer