大肠癌的流行特征浙江医科大学肿瘤研究所３１０００９杨工，郑树在欧美发达国家大肠癌乃是危及人类健康的主要疾病之一，在恶性肿瘤中列第２～３位。根据１９７４～１９７６年全国恶性肿瘤死亡调查资料估计，大肠癌在我国常见恶性肿瘤死亡率的位次，男性居第五位，女性居... The epidemiological characteristics of colorectal cancer Zhejiang Medical University Cancer Institute 310009 Yang Gong, Zheng Shu Colorectal cancer in developed countries in Europe and the United States is one of the major diseases that endanger human health, and ranks second to third among malignant tumors. According to the survey of national malignant tumor deaths from 1974 to 1976, colorectal cancer ranks the most common malignant tumor mortality in China, and the male ranks fifth;