| PD-L1 Expression | Number (n) | Percentage (%) |
| Positive | 20 | 40.0 |
| Negative | 30 | 60.0 |
| Tumor Proportion Score (TPS) | ||
| <1% | 30 | 60.0 |
| 1% - 49% | 14 | 28.0 |
| >50% | 6 | 12.0 |