8 of them with benign airway tumors (2 endobronchial chondroma, 2 tubercule granuloma, 4 phlogistic granuloma) were completely gotten through after cauterize and cured thoroughly.

• 结果8例良性肿瘤，其中2例气管软骨瘤，2例结核肉芽肿，4例炎性肉芽肿，电灼后完全打通气道，彻底治愈。