pharyngeal fistula

例句：

1. 1.The patient's throat was sore from the infection.
   病人的喉咙因感染而发炎。
2. 2.The doctor performed a pharyngeal biopsy to diagnose the condition.
   医生进行了咽喉活检以诊断该病状。
3. 3.During the operation, the surgeon made a pharyngeal incision to access the tumor.
   手术中，外科医生切开了咽喉部位以进入肿瘤。