Development and validation of MRI-based deep learning models for prediction of microsatellite instability in rectal cancer.

The highlighted regions of saliency maps contained both tumor and peri‐tumor areas, which may be related to the fact that the MSI tumor showed a trend toward increased submucosal invasion. 27 4 DISCUSSION Our study is the first one to establish a deep learning model that predicts the MSI status of RC patients based on preoperative MR images.

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