RCAS1 expression has also been reported to correlate with tumour progression or the invasive tendency of uterine cervical, gastric, skin, and hepatocellular carcinomas (Sonoda et al, 1998; Kubokawa et al, 2001; Noguchi et al, 2001; Takahashi et al, 2001). Here, EBAG9 is linked to hepatocellular carcinoma.