colpomicroscopy

例句：

1. 1. He underwent a colpomicroscopy to detect any abnormalities in his colon.
   他接受了一次直肠镜检查，以检测他的结肠是否有异常。
2. 2. The doctor recommended the patient undergo a colpomicroscopy to rule out colon cancer.
   医生建议患者进行一次直肠镜检查，以排除结肠癌的可能性。
3. 3. During the procedure, the doctor inserted a colpomicroscope into the patient's rectum to examine the lining.
   在手术过程中，医生将一个直肠镜插入患者的直肠内，以检查内壁。