省大肠癌协作组为了进一步寻找大肠癌可疑的有关因素,寻找早期发现,早期诊断,早期治疗的规律性以及适合我国国情的大肠癌普查方法。从而提高治愈率,降低死亡率,防治与科研相结合,探索大肠癌与血吸虫病的关系。直肠息肉与大肠癌的关系。因此,在1977年至1978年对海宁县进行了第一次大肠癌普查。在此基础上我们又从1980年开始有计划有步骤地对海宁县采取分期分 The Provincial Colon Cancer Collaborating Group sought to find out the relevant factors of colorectal cancer suspiciously, looking for early detection, early diagnosis, regularity of early treatment, and general screening methods for colorectal cancer that suit China’s national conditions. In order to improve the cure rate, reduce mortality, combined prevention and research, and explore the relationship between colorectal cancer and schistosomiasis. The relationship between rectal polyps and colorectal cancer. Therefore, the first colon cancer screening was conducted in Haining County from 1977 to 1978. On this basis, we have also begun to take a step-by-step, step-by-step assessment of Haining County from 1980 onwards.