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Survival analysis according to sVEGFR2. Kaplan-Meier curves for overall survival (A) and progression-free survival (B) of two groups divided by the sVEGFR2 level higher or lower than its median value. Abbreviation: Abbreviations; CI, confidential interval; HR, hazard ratio; mOS, median overall survival; mPFS, median progression-free survival; sVEGFR2, soluble vascular endothelial growth factor receptor 2.
