EPCAM and colorectal carcinoma: An interesting study identified circulating tumor microemboli (CTMs) and three subpopulations of CTCs, namely, E-CTCs, M-CTCs, and E/M-CTCs based on the expression of epithelial cell adhesion molecule (EpCAM), the mesenchymal cell marker vimentin, or both EpCAM and vimentin respectively from blood samples of 126 CRC patients.