BCL3 and breast cancer: Interestingly,the levels of Bcl-3 correlated with the pulmonary metastatic potential sincehighly metastatic cell lines LM2 expressed more Bcl-3 than cell lines withpoor metastatic abilities like MCF-10A and MCF-7 (Figure1b).These results suggest that Bcl-3 expression correlate withthe pulmonary metastasis of breast cancer.