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Table 1 Immunostaining results for breast, mesenchymal, and epithelial markers

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

Negative

Positive

Negative

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

 
  1. ER estrogen receptor, PgR progesterone receptor, AR androgen receptor, FOXA1 Forkhead box protein A1, HER2 human epidermal growth factor receptor2, CK cytokeratin, SMA smooth muscle actin