直肠的

例句：

1. 1.The doctor advised him to have a colon screening test.
   医生建议他进行结肠筛查测试。
2. 2.The patient was admitted to the hospital for further examination of his rectum.
   患者被收治入院，进一步检查他的直肠。
3. 3.The surgery was successful and the patient recovered quickly.
   手术成功，患者恢复迅速。