一般认为直肠癌向远端肠管浸润距离不超过距肿瘤边缘A.1cmB.2cmC.4~5cmD.5~6cmE.6cm以上

作者: rantiku 人气: - 评论: 0
问题 一般认为直肠癌向远端肠管浸润距离不超过距肿瘤边缘
选项 A.1cm B.2cm C.4~5cm D.5~6cm E.6cm以上
答案 B
解析 :直肠癌只有3%以下向远端浸2cm,因此直肠癌下切缘距肿瘤边缘>3cm是安全的。
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