左、右支气管是从气管分支出来，它使氧气更加深入的到肺里。
The left and right bronchi branch off from the trachea and carry oxygen further into the lungs.
目的：探讨经纤支镜高频电刀灼烧扩大管腔并放置金属支架治疗左主支气管结核性狭窄的疗效和安全性。
Objective: To investigated the curative effect and safety of treating left main bronchial tuberculous stenosis by means of radio knife burn through fibrous bronchoscope and placement of metal stand.
目的：为左肺下叶支气管的CT显示提供应用解剖学基础。
Objective:To provide the applied anatomic basis for CT demonstration in left lower lobar bronchus.
图示肿瘤导致左主支气管阻塞，因此远端肺组织塌陷。
The tumor seen here has caused obstruction of the main bronchus to left lung so that the distal lung is collapsed.
目的：探讨莫西沙星与左氧氟沙星治疗慢性支气管炎急性发作(AECB)的经济效果。
Object: To explore the economic efficiency of moxifloxacin vs levofloxacin in the treatment of acute exacerbations of chronic bronchitis (AECB).
结果患儿均显示异物的直接征象，CT显示异物位于右肺主支气管12例，右中间支气管1例，右下叶支气管2例，左肺主支气管6例。
CT scan showed foreign body was located in right main bronchial 12 cases, right middle bronchial 1 case, right inferior lobar bronchial 2 cases and left main bronchial 6 cases.
结果14例患者中，多层螺旋ct均直接显示气道异物。其中：气管异物8例，左主支气管异物4例，右主支气管2例。
Results Multi-slice helical CT show all 14 foreign bodies, included 8 in trachea, 4 in left main bronchus, 2 in right main bronchus.
事实上你的确有季节性的过敏。但现在你患上了感冒和支气管炎，外加左中耳炎。
It is a fact that you have seasonal allergies. But currently, you are suffering from a head cold and a chest cold with left middle ear infection.
事实上你的确有季节性的过敏。但现在你患上了感冒和支气管炎，外加左中耳炎。
It is a fact that you have seasonal allergies. but currently you are suffering from a head cold and a chest cold with left middle ear infection.
在左肺下叶支气管层面上，上段支气管发出。
On the section through left inferior lobar bronchus, superior segmenta1 bronchus appeared.
袖式右全肺切除（左主支气管-气管端端吻合）合并部分左心房切除术1例；
Right sleeve pneumonectomy combined with partial resection and reconstruction of left atrium in 1 case;
结论：本动物实验表明，采用分期自体左主支气管移植、修复气管缺损是可行的。
Conclusions: The animal study shows that it is feasible to repair tracheal defects with main bronchus by a 2-stage autotransplantation procedure.
袖式左全肺切除（气管-右主支气管端端吻合）合并部分左心房切除重建术3例；
Left sleeve pneumonectomy combined with partial resection and reconstruction of left atrium in 3 cases;
袖式左全肺切除（气管-右主支气管端端吻合）合并部分左心房切除重建术3例；
Left sleeve pneumonectomy combined with partial resection and reconstruction of left atrium in 3 cases;
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