结论气管支架对良恶性肿瘤引起的气管受压性狭窄，气管软化引起的气管狭窄，有良好的缓解症状，改善生活质量的作用。
Conclusions tracheal stents can relieve symptoms and improve the life quality in patients with tracheal stenosis caused by malignant tumors or tracheal malacia.
局部受压处气管软骨环消失2例，气管软骨环变细、变薄、变软34例。
The compressed tracheal cartilage disappeared in 2 cases, became thin and soft in other 34 cases.
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