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Copyright ©2014 Baishideng Publishing Group Inc.
World J Gastroenterol. Aug 21, 2014; 20(31): 10740-10751
Published online Aug 21, 2014. doi: 10.3748/wjg.v20.i31.10740
Figure 1
Figure 1 Ishikawa classification of portal and/or superior mesenteric vein involvement. A: Normal; B: Smooth shift without narrowing; C: Unilateral narrowing; D: Bilateral narrowing; E: Bilateral narrowing with collateral veins.