Fig. 4

Immunohistochemical studies performed in the reported case, demonstrating strong positivity for CK20 and CDX2 and negativity for CK7, CK5, p63, GATA3, PAX8, vimentin and CD117

Immunohistochemical studies performed in the reported case, demonstrating strong positivity for CK20 and CDX2 and negativity for CK7, CK5, p63, GATA3, PAX8, vimentin and CD117