The present study aimed to characterize the immunohistochemical expression of vimentin (VIM), of E-cadherin (CDH1), and of cytokeratin 5 (CK5) in patients with invasive ductal carcinomas (IDCs).<h4>Methods</h4> We have constructed a tissue microarray (TMA) from 87 patients with IDC of the breast. The gene discussed is VIM; the disease is invasive ductal breast carcinoma.