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Relationship between the PD-L1 expression and the rate of pathological remission after different cycles of treatment.
| PD-L1 expression (TPS) | Number of Neoadjuvant therapy cycles (%) | P value | |
|---|---|---|---|
| 2 (n=35) | 3-4 (n=31) | ||
| ≤ 10% | n=21 | n=16 | 0.041 |
| MPR | 2 (9.5) | 6 (37.5) | |
| Non-MPR | 19 (90.5) | 10 (62.5) | |
| > 10% | n=14 | n=15 | 0.518 |
| MPR | 10 (71.4) | 9 (60.0) | |
| Non-MPR | 4 (28.6) | 6 (40.0) | |
MPR, major pathological response; TPS, tumor proportion score (PD-L1 expression).
