postoperative empyema

例句：

1. 1. The patient was admitted to the hospital after surgery.
   病人在手术后被送进了医院。
2. 2. The postoperative empyema required immediate drainage.
   术后脓胸需要立即引流。
3. 3. The patient's condition worsened after the operation, and he was diagnosed with postoperative empyema.
   病人的病情在手术后恶化，被诊断为术后脓胸。