Results Multi-slice helical CT show all 14 foreign bodies, included 8 in trachea, 4 in left main bronchus, 2 in right main bronchus.
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。
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。
Objective:To provide the applied anatomic basis for CT demonstration in left lower lobar bronchus.
目的：为左肺下叶支气管的CT显示提供应用解剖学基础。
On the section through left inferior lobar bronchus, superior segmenta1 bronchus appeared.
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.
在左肺下叶支气管层面上，上段支气管发出。
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