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Values are presented as number (%).
Group 1, still elevated at 1-year postsurgery; group 2, normalized by 1-year postsurgery; LF, leucovorin + 5-fluorouracil; UFT, tegafur-uracil, FOLFOX, FL+oxaliplatin; FOLFIRI, FL+irinotecan; XELOX, capecitabine+oxaliplatin.
