DAB2 and lung cancer: Mok SC et al found that Dab2 expression were significantly down-regulated in ovarian cancers than normal ovarian tissues (the strong positive rate was 4.5% Versus 84.1%, and weak positive rate was 92.3% versus 0.0%).12 Analogously, Xu et al reported that Dab2 expression was significantly reduced in lung cancers than the non-cancerous tissues (the strong, moderate, and weak positive rate were 56.2% Versus 24.76%, 37.1% Versus 47.62% and 6.7% Versus 27.62%, respectively)15Table-II.