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1概况结、直肠癌是世界性的常见恶性肿瘤之一,全球每年约有40万人死于此病。[1]在西方发达国家,肿瘤是常见的致死原因。近年来随着国民的饮食和生活习惯的改变,其发病率呈逐年上升的态势,并以平均每年4.2%的速度递增。[2]根据卫生部2002年的报告,我国结、直肠癌的
1 Summary Results, rectal cancer is one of the world’s common malignant tumors, each year about 400,000 people die from the disease. [1] Tumors are a common cause of death in the developed western countries. In recent years, with the national diet and lifestyle changes, the incidence rate showed an upward trend year by year, with an average annual rate of 4.2% increase. [2] According to the 2002 Ministry of Health report, my knot, rectal cancer