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The flow chart of the present study. (I) a. Brain MR images acquisition (axial T2WI and sagittal CE-T1WI). b. ROI segmentation by ITK-SNAP software. (II) Four categories radiomics features extracted by PyRadiomics algorithm. (III) Radiomic Feature selection by elastic net and support vector machine (SVM) algorithm. (IV) And model training and testing
