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medRxiv PreprintsInternational3 November 2026

AI-Based MRI Radiomics for Preoperative Detection of Tumor Deposits in Rectal Cancer: A Bivariate Diagnostic Accuracy Meta-analysis

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Background: In rectal cancer (RC), tumor deposits (TDs) are clinically important as they are associated with a negative impact on prognosis and affect risk stratification as well as management plans. MRI radiomics combined with artificial intelligence (AI) has been explored for non-invasive preoperative TDs detection. However, results vary across studies; therefore, we performed a systematic review and meta-analysis to pool their diagnostic test accuracy (DTA). Methods: This systematic review and DTA meta-analysis were conducted in accordance with the Cochrane Handbook for Systematic Reviews o
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