左半结肠肠腔较细，肠内粪便由于水分被吸收变得干硬。左半结肠癌多数为浸润型，常引起环状狭窄，故左半结肠癌的临床表现主要为急、慢性肠梗阻。肿块体积较小，既少溃破出血，又无毒素吸收，故罕见贫血、消瘦、恶液质等现象，也不易扪及肿块。
Conclusions:There are differentially expressed genes between left-sided colon carcinoma;right-sided colon carcinoma and their para-carcinoma tissue,which were related to difference of biological characters between left-sided colon carcinoma and right-sided colon carcinoma.
结论:左半结肠癌和右半结肠癌以及相应癌旁组织中存在差异表达基因,这些基因表达的差异可能是左右半结肠癌生物学性质差异的分子遗传学基础。
参考来源 - 左半结肠癌和右半结肠癌基因差异表达谱的建立·2,447,543篇论文数据，部分数据来源于NoteExpress
目的探讨左半结肠癌伴梗阻行一期切除吻合术的可行性。
Objective To study the possibility of the treatment of one-stage resection of left colon cancer with obstruction.
目的探讨左半结肠癌并肠梗阻采用一期切除吻合术的可行性。
Objective to explore feasibility of one-stage resection and anastomosis for the treatment of left colon cancer with obstruction.
目的探讨左半结肠癌急性梗阻一期切除吻合的临床应用价值。
Objective To study the clinical value of the one-stage resection operation of left colon cancer with acute obstruction.
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