To elucidate the antigen presentation capabilities of the TAMs in the tumor tissue, we labelled the major histocompatibility complex II (MHCII), IBA1 and DAPI, to determine the MHCII+/IBA1+ population of TAMs in WT (n = 7) and KO (n = 6) mice. This evidence concerns the gene AIF1 and neoplasm.