SERPINE1 and breast neoplasm: CDH1 and ELF3 were expressed at a significantly higher level in cells with an epithelial morphology, whereas FN1, FOSL1, VIM, ZFHX1B, SNAI2, SERPINE1 and TFGB1 showed a higher expression in fibroblastic breast tumour cells (Table 4 and Figure 5).