EPCAM and hepatocellular carcinoma: In HCC, a number of markers for liver CSCs have been identified, including CD13, CD24, CD44, CD47, CD90, CD133, epithelial cell adhesion molecule (EpCAM), oval cell marker, delta-like non-canonical Notch ligand 1, keratin 19, ATP-binding cassette super-family G member 2, aldehyde dehydrogenase 1, etc. [10,15,16].