Table 2. Tumor proportion score (TPS) for PD-L1 and CD8⁺ tumor infiltrating lymphocyte (TIL) score after EGFR-TKI therapy (n = 69).

Post-TKI PD-L1		CD8+ TIL score		P value
Tumor proportion score	No. of patients	TIL score	No. of patients
0%	37	0/1+	21 (56.7%)	0.286
	(53.6%)	2+/3+	16 (43.3%)
1–49%	21	0/1+	9 (42.8%)
	(30.4%)	2+/3+	12 (57.2%)
≥50%	11	0/1+	8 (72.7%)
	(15.9%)	2+/3	3 (27.3%)