结直肠癌也是我们常说的大肠癌,在我国呈现逐年增加的趋势。从上世纪80年代开始其在恶性肿瘤中的发生率由第五位上升到了现在的第三位,在北上广等发达地区已排在第二位。每年我国新发大肠癌病例在30万人以上,是严重威胁我国人民健康的恶性疾病。近30年来,随着我国改革开放,人们生活水平的不断提高,与大肠癌发 Colorectal cancer is also commonly referred to as colorectal cancer, showing a trend of increasing year by year in our country. Since the 1980s, its incidence in malignant tumors has risen from the fifth place to the third place now, ranking second in developed areas such as Beibu-Canton. Every year, more than 300,000 new cases of colorectal cancer are reported in China, making it a malignant disease that seriously threatens the health of our people. In the past 30 years, with the reform and opening up in our country, people's living standards have been continuously improved,