Fig. 1
From: The Immune Microenvironment in Head and Neck Squamous Cell Carcinoma: on Subsets and Subsites

Schematic overview of the current understanding on the differences between the immune cells infiltrating HPV-related (a) and HPV-unrelated (b) HNSCC. Abbreviations: CAF: cancer associated fibroblast; pDC: plasmacytoid dendritic cell; mDC: myeloid dendritic cell; NK cell: natural killer cell; M1: M1 macrophage; M2: M2 macrophage