WNT5A and breast cancer: Translational regulation of WNT‐5A mRNA (Clark et al., 1993; Dejmek et al., 2005b; Leandersson et al., 2006; Sheehy et al., 2010) indicates that the WNT‐5A mRNA level in human breast cancer tissue differs from the WNT‐5A protein level in the same tissue sample.