WASF2 and breast cancer: Coexpression of WAVE2 and Arp2 predicts a poor outcome in patients with invasive breast cancer and is closely associated with aggressive and invasive morphology.32 WAVE2 is a candidate prognostic marker in liver cancer and is correlated with a poor prognosis.33 In these reports, the intensity of WAVE2 staining in breast cancer or liver cancer specimens was scored without reference to normal cells.