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The relationship between CTC and the pCR rate
| The changes of CTC before and after NCT | n | Non‐pCR（%） | pCR（%） | χ2 | P |
|---|---|---|---|---|---|
| Positive/positive | 7 | 7 (100) | 0 | 3.515 | .0608a |
| Positive/negative | 22 | 14 (63.6) | 8 (36.4) | ||
| Negative/positive | 1 | 1 (100) | 0 | ||
| Negative/negative | 48 | 39 (81.2) | 9 (18.8) |
Abbreviations: CTC, circulating tumor cell; n: number; NCT, neoadjuvant chemotherapy; pCR, pathological complete response.
CTC‐positive/negative vs CTC‐positive/positive group.
