CDH1 and cancer: The main characteristics of EMT are the decrease in the expression of cell adhesion molecules such as E‐cadherin, the transformation of a cytokeratin cytoskeleton into a vimentin‐based cytoskeleton, and the morphological characteristics of mesenchymal cells.15, 16 EMT is an important biological process for epithelial‐derived malignant tumor cells to acquire migration and invasion abilities.