rectovaginal fistula

例句：

1. 1. The patient was diagnosed with a recto-vaginal fistula and required immediate surgery.
   患者被诊断出患有直肠阴道瘘，需要立即进行手术。
2. 2. The diagnosis of this condition is often made during surgery for rectal cancer.
   这种病症的诊断通常在结直肠癌手术中进行。
3. 3. The patient experienced significant pain and discomfort after the surgery, which resolved after several weeks.
   患者在手术后经历了显著的疼痛和不适，但在几周后症状缓解。