pCR rate in the training group was 17.4% (74/425), slightly higher than 11.3% (11/97) in the validation group, but this difference did not reach statistical significance (P = 0.144).
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A nomogram predicting pathological complete response to neoadjuvant chemoradiotherapy for locally advanced rectal cancer: implications for organ preservation strategies.
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0.1440
0.1440