结论：(1)气管内支架是治疗气管狭窄的一种行之有效的方法。

Conclusion: (1) Placement of metallic stent is an effective method for treating tracheal stenosis.

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前言：目的：总结气管、支气管内支架放置经验教训，以提高气管内支架放置技术。

Objective: to summarize the experience of the placement of tracheobronchial stent so as to improve the skills.

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