Histopathological analysis of the hematoxylin and eosin stained tissue sections of the tumor xenografts recovered from the control (vehicle treated) mice revealed a large tumor areas with densely packed tumor cells (Figure 1A), which uniformly expressed membrane-bounded immunoreactivity for human epithelial cell adhesion molecule, hEpCAM (Figure 1B; hEpCAM-FITC; Biosource, CA, USA). Here, EPCAM is linked to neoplasm.