Therefore, a secondary infiltration or metastasis to the colon and rectum must be excluded before a definite diagnosis of primary colorectal signet ring cell carcinoma can be established.

因此，在原发性结直肠印戒细胞癌明确诊断前必须排除其它器官的直接浸润或转移至结直肠。

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Conclusion: The cell proliferation dynamics may act as a important factor of rectum carcinoma relapse.

结论：细胞增殖动力学可作为大肠癌复发的一个重要因素。

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