Objectives To determine the expression of gene products of cell adhesion molecule of E-cad-herin (ECD) and matrix-digesting protease urokinase-type plasminogen activator( UPA) in breast carcinoma tissue and investigate their association with the invasion and metastasis of breast carcinoma and their relation to biological behavior of breast carcinoma.Methods The expression of ECD and UPA was studied in 86 specimens of breast carcinoma(62 cases with lymph node metastasis and 24 cases without lymph node metast...