EGFR and head and neck squamous cell carcinoma: Pentheroudakis et al. evaluated the prognostic significance of mRNA levels of the EGFR family members HER1-4, the Vascular Endothelial Growth Factors (VEGFs) A, B, C, D, and their receptors VEGFR1, 2, 3 in a small retrospective cohort of HNSCC.