In this report, a comparative study was made on the early gastric cancer in Korea and Japan with respect to the age of patients and the type, depth of invasion and metastasis to lymphnodes.
The data of 161 cases of the early gastric cancer were all from the reports published in Korea, and the data in Japan were from the ones by Tasaka, Hayashida and Honda.
This comparative study showed no differences except for a few respects. In regard to the age disribution, there were higher frequency of the disease in the forth decade, and lower in the seventh decade in Korea than in Japan. As to their type, I, IIa, abd IIb were less frequently discovered, while type III was more frequently seen in Korea than in Japan. The case with a lesion lager than 3cm in the longest diameter was less frequently observed in Korea than in Japan.
The incidence of the early gastric cancer was 6.5 per cent among 1, 910 cases of resected gastric cancer in Korea, which was slightly lower compaired with that of the report by Honda.
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