subaortic lymph nodes

例句：

1. 1. The subaortic lymphnodes are the first line of defense againstinfections in the neck area.
   亚主动脉淋巴结是颈部区域对抗感染的第一道防线。
2. 2. Duringsurgery, the surgeon carefully dissectedthe subaortic lymph nodes toremove any potential cancer cells.
   在手术中，外科医生小心地解剖了亚主动脉淋巴结以去除任何潜在的癌细胞。
3. 3. The patient's condition worsened after the operation, and the doctors had to re-examine the subaortic lymphnodes for signs of infection.
   手术后，患者的病情恶化，医生不得不重新检查亚主动脉淋巴结以寻找感染的迹象。