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Table 2 The expression of PD-L1, CD3, CD4, CD8, and EBER

From: Activity of pembrolizumab in relapsed/refractory NK/T-cell lymphoma

Case

PD-L1

CD3

CD4

CD8

EBER

1

50%

+

NA

NA

+

2

NA

+

−

+

+

3

20%+

+

NA

NA

+

4

−

+

NA

NA

NA

5

30%+

+

+

NA

+

6

70%+

NA

+

+

+

7

30%+

+

NA

NA

+

  1. The expression of PD-L1, CD3, CD4, CD8, and EBER on lymphoma cells. PD-L1: It is not available for case 2 and negative for case 4. The expression ratio of the other five cases is 50, 20, 30, 70, and 30% respectively. Most cases have positive CD3 expression except case 6. EBER is not available for case 4 and the remaining six cases are positive. More than half of the cases didn’t receive CD4 and CD8 tests
  2. NA, not available