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Outcomes Based on PD-L1 Expression at the Stromal Interface (n = 20)
| PD-L1 Status | n | PFS, mo (95% CI) | OS, mo (95% CI) |
|---|---|---|---|
| Positive | 8 | 6.5 (1.1–12.8) | 12.8 (1.1–17.6) |
| Negative | 12 | 1.3 (0.6–2.5) | 7.6 (2.0–12.7) |
PD-L1, programmed death ligand 1; PFS, progression-free survival; CI, confidence interval; OS, overall survival.
