Figure 1

CXCR4 expression in HCC TMAs. Representative CXCR4 staining. (A): CXCR4 staining in a single tissue core with a 1-mm diameter (× 50). (B): Cytoplasmic CXCR4 staining. (C): Nuclear CXCR4 staining. (D-G): Examples of weak (+) (D), moderate (++) (E), strong (+++) (F), and very strong staining (++++) (G). All images are × 200 magnification unless otherwise noted.