多原发性大肠癌,又称为大肠重复癌,它可同时发生,也可异时发生.近3年我科共收治同时多原发性大肠癌6例,均为二原癌.现报告如下.病例介绍例1.女,68岁.因粘液便1年余住某院。查体右上腹部扪及10×10cm 肿物,钡灌肠示钡剂达乙状结肠受阻,局部粘膜紊乱,诊断为乙状结肠癌腹腔转移,给予化疗.1986年12月住我院,CT 检查示右上腹为 Multi-primary colorectal cancer, also known as large intestine repetitive cancer, it can occur at the same time, but also can occur at different times. In the past 3 years, our department received a total of more than six primary colorectal cancer at the same time, are two of the original cancer. As follows. Case introduction 1. Female, 68 years old, lived in a hospital for 1 year because of mucus. Examination of the upper right abdomen and 10×10cm tumors. The barium enema shows that the expectorant is blocked by the sigmoid colon and local mucosal disturbances. The diagnosis is sigmoid colon cancer with celiac metastasis. Chemotherapy was given. In December 1986, we stayed in our hospital. CT examination showed that the right upper quadrant was