rectovestibular fistula

例句：

1. 1.He developed a rectovestibulary fistula after undergoing surgery.
   他在手术后发展出了一种耳蜗前庭瘘管。
2. 2.The patient was diagnosed with a rectovestibulary fistula and required immediate treatment.
   患者被诊断出患有一种耳蜗前庭瘘管，需要立即治疗。
3. 3. The condition is rare but can be life-threatening if left untreated.
   这种状况罕见但未经治疗可能会危及生命。