MRC1 and neoplasm: Two neutrophil markers, neutrophil cytosolic factor 2 & 4 (NCF2 & NCF4), show colocalization with CD45 in the upper left of the sampled region along with two marker proteins for pro-tumour M2 macrophages, CD163 & mannose receptor C-type 1 (CD163 & MRC1)42,43.