后前位胸片于右主支气管角部可见小椭圆形致密影这是-X题卡

右主支气管右肺上叶支气管右肺上叶前段支气管右肺中叶支气管右肺上叶尖后段支气管

左主支气管细长右主支气管粗短左主支气管走行倾斜右主支气管的嵴下角小气管异物易坠入右主支气管

气管位于食管前方气管于胸骨角平面分为左、右主支气管左主支气管分为上叶和下叶支气管右主支气管比左侧粗短颈段气管较胸段的长

管腔比右主支气管粗长度比右主支气管长位于食管后面走向比右主支气管垂直与中线角度比右主支气管小

气管旁淋巴结无名静脉奇静脉钙化灶半奇静脉

右主支气管右肺上叶支气管右肺上叶前段支气管右肺中叶支气管右肺上叶尖后段支气管

右主支气管右肺上叶支气管右肺上叶前段支气管右肺中叶支气管右肺上叶尖后段支气管

气管在胸骨角平面分为左,右主支气管右主支气管走行不如左主支气管垂直气管位于食管前方，上接环状软骨右主支气管长度比左主支气管短气管异物多坠入右主支气管

气管在平胸骨角处分为左,右主支气管右主支气管短粗,陡直气管在平胸骨柄处分为左,右主支气管左主支气管细长而倾斜右主支气管分两支进入右肺，左主支管分三支进入左肺

左主支气管比右主支气管长左主支气管比右主支气管粗左主支气管走行近于水平右主支气管走行较为垂直气管异物多坠入右主支气管

气管旁淋巴结无名静脉奇静脉钙化灶下腔静脉

左主支气管短粗右主支气管细长右主支气管与气管延长线的夹角小左主支气管与气管延长线的夹角大左主支气管约在平 T6 高度人左肺

左主支气管粗短直气管和支气管软骨环均呈"O"形气管位于食管后方气管于胸骨角平面分为左,右主支气管右主支气管长细斜

左主支气管比右主支气管长左主支气管比右主支气管粗左主支气管走行近于水平右主支气管走行较为垂直气管异物多坠入右主支气管

右主支气管右肺上叶支气管右肺上叶前段支气管右肺中叶支气管右肺上叶尖后段支气管

右主支气管右肺上叶支气管右肺上叶前段支气管右肺中叶支气管右肺上叶尖后段支气管

右主支气管右肺中叶支气管右肺上叶尖后端支气管右肺上叶支气管右肺上叶前段支气管

右主支气管右肺上叶支气管右肺上叶前段支气管右肺中叶支气管右肺上叶尖后段支气管

气管旁淋巴结无名静脉奇静脉钙化灶下腔静脉

右主支气管右肺上叶支气管右肺上叶前段支气管右肺中叶支气管右肺上叶尖后段支气管

后前位胸片于右主支气管角部可见小椭圆形致密影，这是（）