parasaccular hernia

例句：

1. 1.He had a parasaccular hernia that required surgery.
   他有一个旁系疝，需要手术。
2. 2.The patient's condition worsened after the surgery, and he was diagnosed with a parasaccular hernia.
   手术后，患者的病情恶化，被诊断出有旁系疝。
3. 3.The diagnosis of parasaccular hernia is often made by ultrasound or CT scan.
   旁系疝的诊断通常通过超声波或CT扫描来确定。