Table 1. Characterization of human primary tumor, chest wall recurrence and bone marrow metastasis.

Marker	Primary Foci #1-5	Primary Foci #6	Chest Wall Recurrence	Bone Marrow Metastasis
ER	(−)	(−)	nt	nt
PR	(−)	(−)	nt	nt
HER2/neu	Not amplified	Not amplified	nt	nt
CK5	(+)	(++)	(++)	(+++)
CK14	(+)	(+)	(+)	(+)
CK8/18	(+)	(++)	(+)	(+++)
E-cadherin
membrane	(++)	(+)	(+)	(+++)
cytoplasmic	(++)	(++)	(+)	(++)
Vimentin	(+)	(+++)	(+++)	(+)

Qualitative evaluation based on in situ hybridization for Her2, and based on immunohistochemistry for all other markers.