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Overall survival analysis for CXCR4 nuclear expression. Kaplan-Meier curves for overall survival (OS) in 113 patients With high CXCR4 expression and 87 patients with low CXCR4 expression in the nucleus. Survival time sharply decreased in patients with high CXCR4 nuclear expression, especially in the first five years, when significantly compared with those exhibiting low expression (P = 0.003).
