The Reproducibility of the Immunohistochemical PD-L1 Testing in Non-Small-Cell Lung Cancer: A Multicentric Italian Experience

Table 7

Errors in PD-L1 strong expressors.

protocol	1	5	6	12	15
1				P
2				P
3				P
4				P
5				P
6				P
7
GOLD	3	3	3	3	3