intermediate external iliac lymph nodes

例句：

1. 1. Thedoctor performed a biopsy on the intermediate external iliac lymph nodes to investigate the cause of the patient's symptoms.
   医生对中间淋巴结进行了活组织检查，以调查患者症状的原因。
2. 2. During surgery, the surgeon removed the intermediate external iliac lymph nodes for further examination.
   手术中，外科医生切除了中间淋巴结以进行进一步的检查。
3. 3. The patient was diagnosed with a rare cancer that had metastasized to the intermediate externaliliac lymph nodes.
   患者被诊断出患有一种罕见的癌症，该癌症已经转移到了中间淋巴结。