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Relationship between the degree of tumour shrinkage assessed by imaging and the rate of pathological response after different cycles of treatment.
| Characteristics | Number of Neoadjuvant therapy cycles (%) | P value | |
|---|---|---|---|
| 2 (n=150) | 3-4 (n=101) | ||
| > 44.2% reduction in tumor length | n=83 | n=46 | 0.205 |
| MPR | 66 (79.5) | 32 (69.6) | |
| Non-MPR | 17 (20.5) | 14 (30.4) | |
| ≤44.2% reduction in tumor length | n=67 | n=55 | 0.048 |
| MPR | 20 (29.9) | 26 (47.3) | |
| Non-MPR | 47 (70.1) | 29 (52.7) | |
MPR, major pathological response.
