目的通过构建动物模型，研究大肠癌病灶区淋巴管及癌转移机制。

Objective To research lymphatic vessels in focal area of large intestine cancer and mechanism of carcinometastasis.

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目的：分析中国人遗传性非息肉病性大肠癌(HNPCC)家系的临床特征并检测这些家系中M3胆碱能受体基因(A) 8区的突变情况。

Objective: to characterize the clinical features of Chinese HNPCC families and to screen the mutations of a poly (a) 8 tract in M3 cholinergic receptor gene in these families.

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结论大肠癌组织存在新生淋巴管，尤以癌组织边缘区明显。

Conclusions There are neonatal lymphatic vessels in CRC, especially at their peripheral region.

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