Figure 5

Representative pictures of infiltrating squamous cell carcinomas of the oropharynx: hematoxylin–eosin–safran (HES) stained slides, CD163 and lipopolysaccharide (LPS) immunostainings in a CD163 high/LPS low case (CD163: Histologic Score [HS] 3 (> 50%), LPS: slight expression; F. nucleatum negative) (A) and in a CD163 low/LPS high case (CD163: HS 1 (< 25%), LPS: strong expression; F. nucleatum positive) (B) (scale bar = 200 µM; original magnification: ×50).