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Retrospective Study
Copyright: ©Author(s) 2026.
World J Gastroenterol. Nov 21, 2026; 32(43): 120562
Published online Nov 21, 2026. doi: 10.3748/wjg.120562
Figure 2
Figure 2 Flowchart of the process from region of interest delineation on original ultrasound images to final prediction model construction. ROI: Region of interest; US: Ultrasound; CEUS: Contrast-enhanced ultrasound; SVM: Support vector machine; GBDT: Gradient boosting decision tree; XGBoost: Extreme gradient boosting; DT: Decision tree; RF: Random forest; LR: Logistic regression; KNN: K-nearest neighbors.


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