Figure 6: Localization of 5G2 antigen is consistent with CEACAM5 and CEACAM6 in patient tissues.

(a) Immunohistochemical analysis of human normal colon and (b,c) tumour sections from patient tumours stained with CEACAM5, CEACAM6, and 5G2 antibodies as indicated. (c) High magnifications of the invasive front region of C48. Scale bar, 100 μm (a,c), 200 μm (b).