Figure 3From: Multiple primary malignancies of the liver and the colon: a complex diagnostic and decisional process with a final unanswered questionImmunohistochemical analysis. Final immunohistochemical analysis on surgical specimen. Ck20 positive, ck7 negative, and cdx2 positive for the colonic cancer, and ck20 negative, ck7 positive, and cdx2 negative for the liver. Ck20: dilution 1:50; Ck7: dilution 1:100; Cdx2: dilution 1:80.Back to article page