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Kaplan-Meier survival curves for 209 patients with Stage II colorectal cancer. Disease-free survival curves stratified by (A) preoperative serum Sialyl Lewisx (SLX) level, (B) SLX expression at the invasive front, and (C) SLX expression at the non-invasive frontal regions. Cancer specific survival curves stratified by (D) preoperative serum SLX level, (E) SLX expression at the invasive front, and (F) SLX expression at the non-invasive frontal regions.
