VEGFA and cancer: Following the emergence of premalignant lesions, the survival of cancer clusters relies on increased production of angiogenesis stimulators, such as vascular endothelial growth factor (VEGF), that attract nutrient and oxygen providing blood vessels to the growing tumors (Bremnes, Camps, & Sirera, 2006; Carmeliet, 2005; Peterson et al., 2012).