fibercolonoscopy

例句：

1. 1.The patient underwent a fibercolonoscopy to investigate the cause of his symptoms.
   患者接受了纤维结肠镜检查以调查他的症状原因。
2. 2. This procedure is essential for detecting early cancers in the colon.
   这种程序对于检测结肠中的早期癌症至关重要。
3. 3.Fibercolonoscopy is often used to screen for colon cancer and other digestive disorders.
   纤维结肠镜检查常用于筛查结肠癌和其他消化系统疾病。