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The recurrence rate after curative resection for node-negative T1 colorectal cancer was very low. The effectiveness of surveillance to detect recurrence after curative resection for T1 colorectal cancer should be validated in further studies.

Increased expression of sLe(x) could be involved in establishment of colorectal cancer metastasis. It appears that examining sLe(x) expression may serve as a potent marker of the recurrence in patients with colorectal cancer.