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Table 2 Relationship between the clinicopathological features of the primary cancer and the PD-L1 expression in the metastasis

From: Expression of PD-L1 in primary breast carcinoma and lymph node metastases

 

PD-L1 metastasis

p-value

Negative

Positive

Age

59 (+/−12.43)

61 (+/−11.36)

0.639a

Tumor Size

  

0.654b

 < 2 cm

3

0

 

 2-5 cm

25

7

 

 > 5 cm

10

3

 

Histological Grade

  

0.110b

 G1

2

0

 

 G2

16

1

 

 G3

21

9

 

ER

  

0.426b

 Negative

13

5

 

 Positive

27

6

 

PR

  

0.574b

 Negative

18

6

 

 Positive

22

5

 

HER2

  

1c

 Negative

32

9

 

 Positive

8

2

 

Ki67

  

0.448a

 < 14%

37

11

 

 > =14%

2

0

 

Molecular Subtype

  

0.449b

 Luminal A

26

5

 

 Luminal B

5

2

 

 HER2

3

0

 

 Basal

4

3

 
  1. aMann-Whitney’s U test
  2. bPearson’s X2 test
  3. cFisher’s exact test
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Surgical and Experimental Pathology

ISSN: 2520-8454

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