Figure 2From: Stem cell and epithelial-mesenchymal transition markers are frequently overexpressed in circulating tumor cells of metastatic breast cancer patientsCorrelation of circulating tumor cells (CTCs), epidermal/mesenchymal transition (EMT) markers, and/or ALDH1. (a) The identification of EMT markers was considered positive if at least one marker was detected in the sample. (b) Detailed analysis for the correlation of CTC and ALDH1 as well as the EMT markers.Back to article page