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Receiver operating characteristic curves for assessment of residual tumour after neoadjuvant chemoradiotherapy using T2‐weighted MRI and T2‐weighted combined with diffusion‐weighted MRI a Reader 1, b reader 2 and c reader 3. T2W, T2‐weighted; DW, diffusion‐weighted. Comparison of areas under the curve for T2W‐MRI versus T2W + DW‐MRI: a P = 0·441, b P = 0·611, c P = 0·828 (DeLong test33).
