1, MUC-1), etc., CTSC surface markers include CD26, CD44, CD133 and CXC chemokine receptor 4 (CXCR4), etc., circulating EMT positive tumor cell surface markers are vimentin, fibronectin, calcium adhesion protein-N and calcium adhesion protein-O [25] and so on. Here, CXCR4 is linked to neoplasm.