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Retrospective Cohort Study
©The Author(s) 2025.
World J Gastroenterol. Nov 14, 2025; 31(42): 112354
Published online Nov 14, 2025. doi: 10.3748/wjg.v31.i42.112354
Figure 1
Figure 1 Hematoxylin and eosin staining. A-C: Microscopic appearance of no portal-systemic venous invasion; D-F: Microscopic appearance of portal-systemic venous invasion into the adventitia; G-I: Microscopic appearance of portal-systemic venous invasion into the muscularis propria; J-L: Microscopic appearance of portal-systemic venous invasion into the intimal. A, D, G, and J: 100 ×; B, E, H, and K: 200 ×; C, F, I, and L: 400 ×.


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