CD163 and neoplasm: Macrophage profile supports an early cellular anti-tumor phenotype in Ndst1f/f CD11cCre+ mutants: In the Kras spontaneous lung tumor model, we also profiled using IHC lung tissue labeling with a broad marker for tissue macrophages (F4/80); and with IHC using an antibody to CD163, a marker for M2-type tumor-associated macrophages.