foreign body in mediastinum

例句：

1. 1.The patient was diagnosed with a foreign body in the mediastinum, which required immediate surgical removal.
   患者被诊断出胸腔内有异物，需要立即进行手术移除。
2. 2.During surgery, the surgeon carefully removed the foreign body from the mediastinum to prevent further complications.
   在手术中，外科医生小心地从胸腔内取出异物，以防止进一步并发症的发生。
3. 3. The foreign body in the mediastinum caused significant pain and discomfort, necessitating immediatemedical attention.
   胸腔内的异物引起了严重的疼痛和不适，需要立即医疗关注。