thoraco-abdominal aortic aneurysm

例句：

1. 1. He was diagnosed witha thoraco-abdominal aortic aneurysmand underwent surgery.
   他被诊断出患有胸主动脉瘤并接受了手术。
2. 2. The patient's condition worsened after the surgery,prompting further investigation into the aneurysm.
   手术后，患者的病情恶化，进一步调查了动脉瘤。
3. 3. The aneurysm had beengrowing for years without any noticeablesymptoms.
   动脉瘤多年来一直在增长，但没有明显的症状。