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Areas under ROC curves (AUC) for CXCL12 (AUC = 0.6354; p = 0.0371), CXCR4 (AUC = 0.6456; p = 0.0450), and classical tumor markers—CEA (AUC = 0.6973; p = 0.0016) and SCC-Ag (AUC = 0.5384; p = 0.552) as well as CRP (AUC = 0.7779; p < 0.001) in esophageal cancer patients.
