sternal lymphnodes

例句：

1. 1. The doctor performed a biopsy on the sternal lymph nodes to investigate the cause of the patient's symptoms.
   医生对胸骨淋巴结进行了活检，以调查患者症状的原因。
2. 2. During the operation, the surgeon removed the sternal lymph nodes to remove the tumor.
   手术期间，外科医生切除了胸骨淋巴结以移除肿瘤。
3. 3. The patient was advised to undergo regular check-ups and screenings for sternal lymph nodes to detect any abnormalities early.
   患者被建议定期进行体检和筛查，以早期发现任何异常情况。