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Table 3 Tumor-containing fragment number and HER2-positive fragment number in HER2 IHC positive patients

From: Tumor containing fragment number influences immunohistochemistry positive rate of HER2 in biopsy specimens of gastric cancer

Number of tumor fragments

Total

Number of HER2 3+ fragments

n

1

1

1

1

2

3

1

2

2

1

3

12

1

1

2

2

3

9

4

46

1

7

2

6

3

10

4

23

5

20

1

0

2

6

3

5

4

1

5

8

6

18

1

2

2

2

3

4

4

4

5

1

6

5

  1. “Total” refers to the total number of HER2 positive (scored 3+) cases with different number of tumor-containing fragments
  2. “n” refers to the number of cases with different number of HER2 positive (scored 3+), fragments