早期食管癌是指A.无吞咽困难症状B.病变局限于黏膜内C.病变局限于肌层内D.病变小于3cmE.无淋巴结转移

作者: rantiku 人气: - 评论: 0
问题 早期食管癌是指
选项 A.无吞咽困难症状 B.病变局限于黏膜内 C.病变局限于肌层内 D.病变小于3cm E.无淋巴结转移
答案 B
解析 :早期食管癌是指病变局限于黏膜内,未累及肌层,亦无淋巴结转移。

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