胃肠道类癌中，最好发的部位是A．小肠B．十二指肠C．阑尾D．结肠E．直肠

作者: rantiku 人气: - 评论: 0

问题胃肠道类癌中，最好发的部位是

选项 A．小肠 B．十二指肠 C．阑尾 D．结肠 E．直肠

答案 C

解析：超过半数的胃肠道类癌发生于阑尾。

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