食管癌最好发的部位是A.颈段食管B.胸部上段食管C.胸部中段食管D.胸部下段食管E.腹部食管

作者: rantiku 人气: - 评论: 0
问题 食管癌最好发的部位是
选项 A.颈段食管 B.胸部上段食管 C.胸部中段食管 D.胸部下段食管 E.腹部食管
答案 C
解析 :据统计,胸部中段食管癌约占全部食管癌的50%以上。

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