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Table 3 Focal amplicons and PD-L1 expression

From: The association of genomic lesions and PD-1/PD-L1 expression in resected triple-negative breast cancers

Sample

Ploidy

EGFR

JAK2

AKT2

MYC

FGFR2

PD-L1 (IHC)

Neoadjuvant

TNBC-6

4.0

     

5 T

–

TNBC-9

4.0

     

5 T

–

TNBC-14

3.1

 

+++

 

++

 

5 T

–

TNBC-21

2.8

     

5 T

–

TNBC-24

2.5

     

5 T

–

TNBC-33

3.6

     

5 T

–

TNBC-37

NB

     

5 T

–

TNBC-40

3.4

     

4 NT

–

TNBC-16

3.2

   

++

 

4 T

–

TNBC-23

3.6

  

++

++

 

4 T/NT

–

TNBC-44

4.1

+++++

++

   

4 T

–

TNBC-46

ND

     

4 T/NT

–

TNBC-50

2.0

+++++

    

4 T/NT

–

TNBC-55

3.0

 

++

 

++

 

4 NT

–

TNBC-5

3.0

   

++

 

4 T

+

TNBC-8

3.3

   

++

 

4 NT

+

TNBC-29

4.0

 

++

   

4 T

+

TNBC-36

2.0

   

++

++

4 T/NT

+

TNBC-43

3.2

   

+++

 

4 T/NT

+

TNBC-18

4.2

++

+++

 

++

 

1 NT

–

TNBC-30

3.1

   

++

 

1 NT

–

TNBC-4

3.2

 

++

 

+++++

 

1 NT

+

TNBC-7

3.8

   

++

+++++

1 NT

+

TNBC-51

3.5

 

++

 

++

 

0

+

TNBC-20

3.4

   

++

 

0

–

TNBC-56

ND

     

0

–

  1. +++++: log2 ratio > 4
  2. +++: log2 ratio > 2
  3. ++: log2 ratio > 1
  4. Abbreviations: IHC immunohistochemistry, NB no tumor in biopsy, ND not done, NT non-tumor cells, T tumor cells