rectal fistula

例句：

1. 1. The patient had a rectal fistula that required surgery to repair.
   患者患有直肠瘘，需要进行手术修复。
2. 2.The doctor diagnosed the patient with a rectal fistula and recommended antibiotics for treatment.
   医生诊断出患者患有直肠瘘，并建议使用抗生素进行治疗。
3. 3.The patient was referred to a specialist for further evaluation of the rectal fistula.
   患者被推荐给一位专家进行进一步评估直肠瘘。