spontaneous pneumothorax

例句：

1. 1.He had a spontaneous pneumothorax and needed immediate medical attention.
   他得了自发性气胸，需要立即就医。
2. 2.The patient was diagnosed with a spontaneous pneumothorax, which required immediate surgery.
   患者被诊断出患有自发性气胸，需要进行紧急手术。
3. 3.The doctor explained that the patient's condition was due to a spontaneous pneumothorax, which can be life-threatening if not treated promptly.
   医生解释说，患者的病情是由于自发性气胸引起的，如果不及时治疗可能会危及生命。