The tumor seen here has caused obstruction of the main bronchus to left lung so that the distal lung is collapsed.
图示肿瘤导致左主支气管阻塞，因此远端肺组织塌陷。
Method 27 patients with bronchus benign and malign tumor had airway obstruction and were cauterized with high frequency knife cauterize incision through electric bronchoscope.
方法对27例良恶性大气道肿瘤所致的气道阻塞病人，通过电子支气管镜下进行高频电刀烧灼切割术，观察病人的耐受性和并发症的发生率。
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