Fig. 4.
Immunohistochemical staining of EMPD lesion (×200 magnification). a Weakly positive staining for GCDFP-15. b Positive staining for CK7. c Positive staining for KI-67. d Positive staining for MUC5AC. e Positive staining for CK20. f Positive staining for CEA. g Positive staining for GATA3 (×100 magnification). h Negative staining for CK5/6. i Negative staining for Ber-EP4.