AR and hepatocellular carcinoma: Furthermore, we found that CD90+ cell numbers were detected in the middle (40 weeks; data not shown) and late (60 weeks; Figure 3A, lower panel photos) stages of HCC in liver-specific AR knockout (LARKO-HCC) mice but were rarely detected in wild-type mice with carcinogen-induced HCC (Figure 3A, upper panel photos; and quantitated in Figure 3A, bar graph on the upper right).