[Gastric cancer. 11 years' experience in 8,304 endoscopic studies performed].

8.304 patients have been examined endoscopically in a period of time of eleven years. We found 412 with gastric cancer, a 4.96% of the total research. In 1970 we had the upper point with 8.71% and the lower point with 3.14%, in 1980. The 89.56% were advanced gastric cancer and the 1.95% were early gastric cancer. According to Borrmann classification, from advanced gastric cancer, 18 were mixed types. Because of technics reasons or lost controls, in 8.49% of the cases the real origin, could not be confirmed. In our hospital, between 1970 and 1980. We have found a diminution of the incidence of cancer.