结肠癌是发生于结肠部位的恶性肿瘤,是胃肠道中常见的恶性肿瘤。环境、性别、种族、年龄及经济因素和结肠癌的发病率存在着密切关系。研究表明,激素或生殖因素也是结肠癌的诱因,结肠癌是女性更年期常见疾病之一。一直以来,结肠癌高发区主要集中在北美等发达国家,近几年来,随着经济的发展,人们的生活方式尤其是饮食结构的变化,结肠癌已经成为我国发病率上升最快的恶性肿瘤之一,目前其发病率居我国恶性肿瘤的第八位,占胃肠道肿瘤的第三 Colon cancer is a malignant tumor that occurs in the colon and is a common malignancy in the gastrointestinal tract. Environmental, gender, ethnicity, age and economic factors are closely related to the incidence of colon cancer. Studies have shown that hormones or reproductive factors are also incentives for colon cancer, which is one of the common gynecological diseases in women. All along, the high incidence of colon cancer is mainly concentrated in North America and other developed countries, with the economic development in recent years, people’s lifestyle changes in particular diet, colon cancer has become the highest incidence of malignant tumors in our country First, the current incidence of malignant tumors in China ranks eighth, accounting for the third of gastrointestinal tumors