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. 2026 Sep 16;13:1953997. doi: 10.3389/fmed.2026.1953997

Figure 2.

Box plot chart comparing normalized feature values of CEUS radiomics features for malignant and benign gallbladder lesions. Malignant cases are shown in pink and benign cases in blue, with CEUS radiomics feature names or abbreviations listed along the x-axis and normalized feature values ranging from negative one to one on the y-axis. Several features show visible distribution differences between malignant and benign lesions, reflecting enhancement-related radiomics heterogeneity.

CEUS radiomics features by lesion pathology: boxplots show the distributions of the 10 selected CEUS radiomics features. The x-axis directly displays the corresponding feature names or defined abbreviations, and the y-axis represents normalized feature values. Benign and malignant indicate histopathologically confirmed benign and malignant lesions, respectively. W2, W4, W5, and W6 indicate the corresponding wavelet filters; GLCM, gray-level co-occurrence matrix; GLRLM, gray-level run-length matrix; GLSZM, gray-level size zone matrix; NGTDM, neighborhood gray-tone difference matrix; RP, run percentage; LGRE, low gray-level run emphasis; SRLGE, short-run low gray-level emphasis; ZSN, zone-size non-uniformity; CEUS, contrast-enhanced ultrasound.