IFNG and head and neck squamous cell carcinoma: Within the context of head and neck squamous cell carcinoma (HNSCC), proinflammatory cytokines including the IL-1,4, 6, and 8, hepatocyte growth factor (HGF), interferon-γ (IFN-γ), and vascular endothelial growth factor (VEGF) have all been implicated in tumor-survival tactics including immune evasion, angiogenesis, chemoattraction, and metastasis [[2], [3], [4]].