目的总结气管、隆凸主支气管肿瘤手术治疗经验，探讨合理的手术方法及治疗措施。
Objective To review the experience in surgical treatment for tumors of trachea, carina and main bronchus.
锰缺乏可引起侏儒症、贫血、支气管哮喘、帕金森病、儿童智力低下、肿瘤等。
Poor manganese may cause dwarfism, anemia, bronchial asthma, Parkinson's disease, child amentia, tumor, et al.
吸烟可能使你患上肿瘤和冠状动脉心脏病，也能导致慢性支气管炎和肺气肿。 导致腿部的动脉疾病。
Smoking kills through lung cancer and coronary heart disease, causes chronic bronchitis and emphysema, leads to diseases of the arteries in the legs, and is associated with many other cancers
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