VEGFA and acute myeloid leukemia: There are reports of vascular endothelial growth factor (VEGF) secretion by AML cells (Fiedler et al., 1997) and of increased BM microvasculature density in patients (Aguayo et al., 2000, Hussong et al., 2000, Padró et al., 2000) and, more recently, murine models (Hanoun et al., 2014) at advanced stages of disease.