hypopharyngeal styli

例句：

1. 1. The doctor performed a biopsy to investigate the cause of her chronic cough.
   医生进行了一次活检以调查她慢性咳嗽的原因。
2. 2. The patient had difficulty swallowing due to a tumor in the hypopharynx.
   患者由于咽部肿瘤吞咽困难。
3. 3. During surgery, the surgeon removed several hypopharyngeal papillae for further examination.
   手术期间，外科医生切除了几个咽下管乳头状突起以进行进一步检查。