preauricular lymph nodes

例句：

1. 1.The doctor examined the preauricular lymph nodes and found no signs of infection.
   医生检查了耳前淋巴结，没有发现感染的迹象。
2. 2.During surgery, the surgeon removed the preauricular lymph nodes to remove a tumor.
   在手术中，外科医生切除了耳前淋巴结以去除肿瘤。
3. 3.The patient's condition improved after the removal of the preauricular lymph nodes.
   患者在接受耳前淋巴结切除后病情有所改善。