Follow-up study of gastric mass survey in miyagi prefecture

Summary

• 1 The Stomach cancer crude death rate for the group who did not have a checkup is 2-4 times as high as for the group who had a checkup.

• 2 At the Miyagi cancer society, 288 patients with stomach cancer were detected between 1960 and 1963, during which 5-year survival could be ascertained. The “relative” 5 year survival rate for stomach cancer from mass survey (per 193 males) was 47.4%, and the rate (per 95 females) was 41.7%. We did not find significant difference by sex.

The “ralative” 5 year survival rate for the group who had the cancer cells of mucdsal or submucosal layer was 93.4%, the rate for the group who had the cancer cells of muscular layer was 69.7%, and the rate for the group who had the cancer cells of serous membrane was 38.2%.