From: Radiation-induced fibrosarcoma after breast-conserving therapy for breast cancer: a case report and literature review
Breast markers
Epithelial markers
Mesenchymal markers
Negative
Positive
ER
–
CK 7
Vimentin (strongly)
Desmin
PgR
CK 8
SMA (very weakly)
AR
CK 18
FOXA1
CK 20
HER2
CK AE1/AE3
P53
CK 34B-E12
EMA
E-cadherin