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The association among PD-L1 expression in each part of the tumor
| Intraepithelial PD-L1 | Tumor PD-L1 | ||||||
|---|---|---|---|---|---|---|---|
| Low expression (%) | High expression (%) | p-value | Low expression (%) | High expression (%) | p-value | ||
| Stromal PD-L1 | Low expression | 193 (93.7) | 13 (6.3) | < 0.001 | 190 (92.2) | 16 (7.8) | 0.566 |
| High expression | 29 (69) | 13 (31) | 37 (88.1) | 5 (11.9) | |||
| Intraepithelial PD-L1 | Low expression | 203 (91.4) | 19 (8.6) | 0.697 | |||
| High expression | 24 (92.3) | 2 (7.7) | |||||
