Table 4. Co-expression of CLDN18.2, HER2 and PD-L1.
| Characteristics | n (%) | |
| CLDN18.2 ≥2+, 40% | CLDN18.2 ≥2+, 70% | |
| CLDN18.2, claudin 18 isoform 2; HER2, epidermal growth factor receptor 2; PD-L1, programmed death-ligand 1; pos, positive; CPS, combined positive score. | ||
| HER2-pos | 20 (4.0) | 15 (3.0) |
| PD-L1-pos | ||
| CPS≥1 | 97 (19.8) | 84 (17.2) |
| CPS≥5 | 61 (12.5) | 52 (10.7) |
| CPS≥10 | 38 (7.8) | 31 (6.4) |