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Descriptive statistics of (A) interleukin 6 (IL-6); (B) interleukin 8 (IL-8); (C) vascular endothelial growth factor (VEGF); and (D) platelet derived growth factor (PDGF) levels in the groups of HCC patients and healthy controls. Circulating angiogenic factors (IL-6, IL-8, and VEGF) were significantly higher in HCC patients than the control groups. *p < 0.05; **p < 0.01.
