VEGFA and neoplasm: Comparing the endpoint RTV among all six cases, the effect of anti-VEGF treatment in limiting tumour growth is the strongest for Volk2011b (RTV = 0.459 ± 0.054), followed by Roland (0.454 ± 0.096), Volk2008 (0.615 ± 0.066) and Tan (0.638 ± 0.049).