seropneumothorax

例句：

1. 1. He developed a seropneumothorax after being hit by a car.
   他被车撞后患上了胸膜腔积气症。
2. 2.The patient was diagnosed with a seropneumothorax and required immediate surgery.
   患者被诊断出患有胸膜腔积气症，需要立即手术。
3. 3.The diagnosis of seropneumothorax can be challenging, especially in cases where the cause is unclear.
   胸膜腔积气症的诊断可能会很困难，尤其是在原因不明的情况下。