ITGAM and neoplasm: Third, a more intense tumor-inflammatory infiltration composed by CD11b+ F4/80+ macrophages and, at lesser degree, by lymphocytes, were observed at the place where the stimulatory mixture had been implanted (Figures 3C,D, panel a,c) as compared with that of tumor cells implanted alone or mixed with NSCs (Figures 3C,D, panel b,d).