We therefore evaluated the expression of a panel of epithelial (KRT5, 7, 8, 18, and CDH1), mesenchymal (VIM, FN1, SNAI1, TWIST1, COL1A1, and PRRX1), and cancer stem cell (ALDH1A2, ALDH7A1, CD44, and CCND1) markers in all samples. This evidence concerns the gene KRT5 and cancer.