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민진식,윤범용,김춘규 대한소화기학회 1975 대한소화기학회지 Vol.7 No.1
The multiple primary malignant tumors are very difficult to differenciate from initial tumors. The most widely accepted criterias appear to be those used bp Warren and Gates (193) who state that the tumors should be histologically malignant, should be separate and they should not be metastases. Recently, at Yonsei University Medical Center 4 cases of the multiple primary maligna.nt tmors were seen. We report these 4 cases of multiple primary malignant tumors reviewing references.