Machine learning-based gray-level co-occurrence matrix signature for predicting lymph node metastasis in undifferentiated-type early gastric cancer

Figure 1 Flowchart of patient selection and data processing. UEGC: Undifferentiated early gastric cancer; EMR: Endoscopic mucosal resection; ESD: Endoscopic submucosal dissection; RFC: Random forest classifier; SVM: Support vector machine; DT: Decision tree; ANN: Artificial neural network; XGboost: Extreme gradient boosting; ROC: Receiver operating characteristic; DCA: Decision curve analysis; CIC: Clinical impact curve; LNM: Lymph node metastasis.