CD68 and neoplasm: Further compartmentalization of the peritumoral (PT) compartment into PT Tumor and PT Stroma, showed that CD14+ and CD68+ cell densities differed significantly between hrHPV subgroups only when the PT Tumor compartment was taken into account, with increased numbers in the hrHPV+ subgroup (p = 0.004, p = 0.026, respectively) (Figures 4A, B).