后前位胸片上，左心缘见不到的是A．肺动脉段B．主动脉结C．升主动脉D．左心耳E．左心室

作者: rantiku 人气: - 评论: 0

问题后前位胸片上，左心缘见不到的是

选项 A．肺动脉段 B．主动脉结 C．升主动脉 D．左心耳 E．左心室

答案 C

解析

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