retraction syndrome

例句：

1. 1. The patient was diagnosed with a retraction syndrome after surgery.
   病人在手术后被诊断出患有回缩综合征。
2. 2. The researcher found that the retraction syndrome could be caused by various factors.
   研究者发现，回缩综合征可能由多种因素引起。
3. 3. The patient's condition worsened significantly after undergoing retraction therapy.
   患者在接受回缩治疗之后病情显著恶化。