For studies on the incidence of cancers of the digestive system in the Chungnam area, the operation and biopsy specimens were collected at the Department of Pathology, Chungnam National University College of Medicine from 1973 to 1980 and analyzed the incidence. of the organ, sex, and age groups in each year.
The result were as follows
1. The total numbers of malignant tumors for 8 years were 1, 043 cases, and which were 53 cases in 1973, 76 cases in 1974, 99 cases in 1975, 117 cases in 1976,165 cases in 1977, 164 cases in 1978, 185 cases in 1979 and 174 cases in 1980.
2. The highest incidence of the organ in the digestive system was the stomach, and showed 597 cases(57.2%) in which the males were 410 cases and the females, 187 cases, and the ratio was 2.19: 1.
The next frequent incidence of the organ was colon and anus and showed 198 cases (19. 0%), and the next, oro-pharynx, 63 cases(6. 0%), and the liver, 44 cases (4.2%), respectively.
3. The total numbers of the malignant tumor for 8 years were 1,043, in which the males were 680 cases, and the female were 363, and the ratio was 1.87: 1.
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