Observational Study
Copyright ©The Author(s) 2024.
World J Gastrointest Surg. Feb 27, 2024; 16(2): 539-545
Published online Feb 27, 2024. doi: 10.4240/wjgs.v16.i2.539
Figure 1
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Figure 1 Flow chart of this study. EV: Esophageal varices.
Figure 2
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Figure 2 Examples of images for online testing in this study. A: The actual size of the varices in picture (traditional visual method) was 3 mm; B: The actual size of the varices in the picture (biopsy forceps as a reference) was 3 mm; C: The actual size of the varices in the picture (visual method) was 7 mm; D: The actual size of the varices in the picture (biopsy forceps method) was 7 mm.