正常胸片中，左心缘上段向左突出的弓状影为A．上腔静脉B．下腔静脉C．肝静脉D．主动脉结E．降主动脉

作者: rantiku 人气: - 评论: 0

问题正常胸片中，左心缘上段向左突出的弓状影为

选项 A．上腔静脉 B．下腔静脉 C．肝静脉 D．主动脉结 E．降主动脉

答案 D

解析：正常胸片中，左心缘上段向左突出的弓状影为主动脉结。

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