The value of lower gastrointestinal endoscopy (LGIE; colonoscopy or sigmoidoscopy) relates to its ability to detect clinically relevant findings, predominantly cancers, preneoplastic polyps or inflammatory bowel disease. There are concerns that many LGIEs are performed on low-risk patients with limited benefit.

中文翻译：

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英国有症状下消化道内窥镜检查的诊断率：英国胃肠病学会使用国家内窥镜数据库数据进行分析


下消化道内窥镜检查（LGIE；结肠镜检查或乙状结肠镜检查）的价值与其检测临床相关发现（主要是癌症、癌前息肉或炎症性肠病）的能力有关。有人担心许多 LGIE 是针对低风险患者进行的，效果有限。