ITGAM and hematoma: Then, using immunofluorescence, we identified that the majority (90.3% ± 3.5%; n = 5 coronal sections from five ICH-affected brains) of CD11b immunoreactive cells in the areas adjacent to hematoma-affected brain at day 7 after ICH are also AhR+, suggesting that AhR expression in the ICH-affected brain is associated with the activated phagocytes (Figure 5(b)).