秋田県南，農村地域における大腸癌の臨床医学的研究

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  • Clinical Study of Colorectal Cancer Cases in the Southern Area of Akita Prefecture.
  • アキタ ケンナン ノウソン チイキ ニ オケル ダイチョウガン ノ リンショウ

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A total of 417 operated cases of colorectal cancer at Hiraka General Hospital during the 15-year period from 1974 to 1988 were analyzed and the following results were obtained.<BR>1. There was a distinct tendency to increase in the numbers of resectable cases. By region, cases of cancers in sigmoid colon and upper third of rectum (S+Rs) and right side colon (C+A) were on the rise.<BR>2. The ratio of patients aged over 70 years increased to reach 36 % recently. But the ratio of early stage cancer cases was 7.1 % on the average.<BR>3. The over all resection rate was 90.6 %, and curative resection was performed in 78.5 % of colon cancer cases and 82.0 % of rectal cancer cases respectively.<BR>4. The cumulative 10-year survival rate in curative resected cases was 74.7 % for colon cancer and 70.8 % for rectal cancer.<BR>5. The rate of multiple cancer cases was as high as 13.4 %.

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