结论老年胸外伤合并症多，救治难度偏大，治疗时间较长。

Conclusion The elderly chest trauma patients have more complications and cure is difficult and treatment duration is long.

youdao

结论老年胸外伤合并症多，救治难度偏大，治疗时间较长。

Conclusion The elderly chest trauma patients have more complications and cure is difficult and treatment duration is long.

youdao