结肠癌是胃肠道中常见的恶性肿瘤,患者以中年以上的人群为主,41-50岁年龄组发病率最高,但也有5%的患者为30岁以下的年轻人。结肠癌发病原因尚未十分明确,但有些病如家属性息肉病、结肠腺瘤、血吸虫病结肠炎和溃疡性结肠炎等与结肠癌的发生有较密切的关系。值得注意的是,结肠癌不仅凶险,而且容易误诊为阑尾炎等其它病症。 Colon cancer is a common malignancy in the gastrointestinal tract. Patients are predominantly middle-aged or older, with the highest incidence in the 41-50 age group, but 5% of the patients are young people under the age of 30. The cause of colon cancer is not yet clear, but some diseases such as homes polyposis, colon adenoma, schistosomiasis colitis and ulcerative colitis have a closer relationship with the occurrence of colon cancer. It is worth noting that colon cancer is not only dangerous, but it is easily misdiagnosed as other diseases such as appendicitis.