研究设计：前瞻性分析。
结论：本项前瞻性分析中，并发症的发生率高于以往报告。
Conclusions: The incidence of complications found in this prospective analysis is higher than that reported in previous studies.
方法前瞻性分析大肠癌先证患者的一级亲属186例的电子肠镜和FOBT的筛查结果。
Methods Prospective analysis on the results of screening colonoscopy and FOBT in 186 relatives of colon cancer was done in this study.
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