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在大肠的各个部位之中，直肠癌的发病率是最高的，尤其是在我国，直肠癌在整个大肠癌的比例比国外更高。在直肠癌来讲，80%的直肠癌可以通过医生的手指进行肛门指诊来摸到病变，基本可以确诊，所以说我们教育医学生尤其是胃肠外科的医生、肠道外科的医生特别

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肛门镜能查出直肠癌吗

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