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Extent of immune infiltrate versus PD-L1 positivity in tumor cells and tumor-infiltrating immune cells of different salivary gland carcinomas (n = 167).
| PD-L1 | ||||
|---|---|---|---|---|
| Tu+/TIIC+ (n = 17) | Tu+/TIIC− (n = 11) | Tu−/TIIC+ (n = 17) | ||
| Intensity of immune infiltrate | 0 (n = 6) | 0 | 6 (54,5%) | 0 |
| + (n = 14) | 2 (11.8%) | 3 (27.3%) | 9 (53.0%) | |
| ++ (n = 19) | 12 (70.6%) | 2 (18.2%) | 5 (29.4%) | |
| +++ (n = 6) | 3 (17..6%) | 0 | 3 (17.6%) | |
