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DFS of 71 CC patients who received adjuvant gemcitabine chemotherapy after surgical resection, stratified according to membrane hENT-1 immunoreactivity (positive and negative) and cytoplasmic hENT-1 staining intensity (negative, low, or high). (A): Positive membrane hENT-1 staining. (B): Negative membrane hENT-1 staining.
Abbreviations: CC, cholangiocarcinoma; DFS, disease-free survival; hENT-1, human equilibrative nucleoside transporter 1; IQR, interquartile range; NR, not reached.
