...结直肠癌 结肠黑病变 [gap=598]Key words：non?pain enteric microscope；polyp of rectum and colon；ulcer colonitis；rectum and colon cancer；colon black lesion ...
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Objective:To investigate the characteristics of spiral CT and evaluate its diagnostic value in rectum and colon cancer.
前言： 目的：探讨螺旋CT在直肠癌和结肠癌的表现及诊断价值。
Methods: ct characteristics of 21 rectum and colon cancer cases proved by operation and pathology were retrospectively analyzed.
方法：回顾性分析21例经手术病理证实的直、结肠癌的CT表现及手术病理资料。
For both incidence and mortality, the association was stronger for cancer of the rectum than of the colon.
无论是发病率还是死亡率，吸烟对直肠癌的影响均强于对结肠癌的影响。
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