CFAP52 and hepatocellular carcinoma: The WD‐repeat protein 16 (WDR16 or WDRPUH), containing 11 highly conserved WD40‐repeat domains, is associated with the 70‐kD heat shock protein (HSP70; proteins of the chaperonin‐containing TCP‐1 complex) and breast cancer type 2 susceptibility protein, and participates in the tumorigenesis of hepatocellular carcinoma.6