axillary lymph node

例句：

1. 1.The doctor performed a biopsy on the axillary lymph node.
   医生对腋下淋巴结进行了活体检查。
2. 2. The patient's axillary lymph node was enlarged and tender to touch.
   患者的腋下淋巴结肿大且触痛。
3. 3.Axillary lymph node is an important part of the immune system.
   腋窝淋巴结是免疫系统的重要组成部分。