THBD and head and neck squamous cell carcinoma: Dendritic cells infiltrating HNSCC of the tonsil are of two types: plasmacytoid CD123+ dendritic cells, with characteristics of lymphocytes and classical dendritic cells, myeloid CD11c+ dendritic cells, with three subtypes, CD1c+ myeloid dendritic cells, CD141+ myeloid dendritic cells, and CD1c-CD141- myeloid dendritic cells (181).