Fig. 3: Immune phenotype of colon carcinoma.

Mucinous (A) and non-mucinous adenocarcinoma (B). The mucinous adenocarcinoma showed large pools of extracellular mucin (not shown). Representative immunohistochemical images for mucinous adenocarcinomas are shown on the left (C, E, G) and those for non-mucinous adenocarcinoma are shown on the right (D, F, H, I). Immunohistochemistry for CD8 (C, D), PD-L1 (E, F), and CD163 (G, H).