Figure 3.

Immunohistochemistry for phenotypical characterization of peritumoral inflammatory infiltrate. A: lymphocytes T (CD3+ cells). Original magnification 400×. B. A: lymphocytes B (CD20+ cells). Original magnification 400× C. A: Neutrophils (CD15+cells). Original magnification 400× D. A: Macrophages (CD68+cells). Original magnification 400×.