Table 2.

Evaluation of the PD-L1 expression with the tumor proportional score (TPS).

TPS Category	PD-L1 Expression in Tumors	Number of Patients (%)
0	<1%	20 (37.0)
1	≥1% to <5%	10 (18.5)
2	≥5% to <10%	6 (11.1)
3	≥10% to <25%	7 (13.0)
4	≥25% to <50%	6 (11.1)
5	≥50%	4 (7.4)
-	Unknown/not assessable	1 (1.9)