Forest plots of the survival meta-analyses for; A) VEGF-C, B) VEGF-D, C) VEGFR3, D) LVD, Funnel plots showing the relationship between the observed HR and the standard deviation in the survival meta-analyses for; E) VEGFR3, F) LVD.

<p>Abbreviations: VEGF, vascular endothelial growth factor; VEGFR, vascular endothelial growth factor receptor; LVD, lymphatic vascular density; N, number: HR, hazard ratio.