大肠癌与息肉的关系,近30年来受到国内外学者的重视,作为癌前病变的腺瘤,癌变率5—10%不等,对大肠癌的发生有很大影响。随着瘤体增大,年龄增长,癌变率也增加。有报告表明,大肠癌中残存腺癌结构可达10—20%以上。本文主要通过大肠癌的病理形态观察,进一步探索大肠癌与残存腺癌和息肉之间的关系。材料与方法 The relationship between colorectal cancer and polyps has attracted the attention of scholars at home and abroad in the past 30 years. As an adenoma of precancerous lesions, the canceration rate varies from 5-10%, which has a great influence on the occurrence of colorectal cancer. With the increase of tumor size and age, the cancer rate also increases. Reports have shown that the structure of residual adenocarcinoma in colorectal cancer can reach 10-20%. This article mainly through the pathological observation of colorectal cancer, to further explore the relationship between colorectal cancer and residual adenocarcinoma and polyps. Materials and Methods