FOXP3 and head and neck squamous cell carcinoma: To better understand the regulatory pressure on the T cells, we used the IHC and flow cytometry data to examine a series of immune cell ratios that have been shown to impact the outcome in HNSCC – Neutrophil:T cell ratio; TAM : CD8 ratio; Monocyte : CD8 ratio, and FoxP3:CD8 ratio.