valve of inferior vena cava

例句：

1. 1. The surgeon performed a successful repair of the valve of the inferior vena cava.
   外科医生成功地修复了下腔静脉瓣。
2. 2. The patient was admitted to the hospital for further evaluation and treatment of the valve of inferior vena cava.
   患者因进一步评估和治疗下腔静脉瓣问题而被收治入院。
3. 3.The valve of inferior vena cava is responsible for regulating blood flow in the lower body.
   下腔静脉瓣负责调节下肢的血流。