Fig. 5
Representative images of positive cells of each immunohistochemistry
a Cytokeratin 7 (x200); b Cytokeratin 20 (x200); c Caudal type homeobox 2 (x200); d Human epidermal growth factor receptor 2 (x200); e Cytokeratin 5/6 (x200); f Androgen receptor (x200); g Aldehyde dehydrogenase 1 (x200); h Cluster of differentiation 24 (x200); i Cluster of differentiation 133 (x200); j Programmed cell death 1 (x200); k Programmed cell death 1- ligand 1 (x200); l Zinc finger E-box binding homeobox 1 (x200); m Met (x200); n Epithelial growth factor receptor (x200); o Snail-2 (x200)