PMC5836285_01
CT scan of the abdomen showing ascites, splenomegaly, and hypoplasia of the liver segments 2 and 3.
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F1
In addition, several enlarged lymph nodes (1-3 cm) were observed in the retroperitoneum and around the celiac trunk and radiation sequelae in the right colon (Fig. 1).
a An expanded portal tract showing fibrosis without septa. There is no evidence of cirrhosis. Centrally, a large portal vein shows sclerosis with fibrous thickening of the vessel wall (H&E). b A fibrotic portal tract containing an abnormally dilated portal vein. To the left, there is associated herniation of the vein into the adjacent hepatic lobule (a so-called periportal shunt vessel) (H&E).
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F2
Several of the fibrotic portal tracts showed evidence of obliterative portal venopathy, normal portal veins being either lost (with evidence of replacement by many smaller vascular structures), or showing sclerosis with fibrous thickening of the portal vein wall (Fig. 2a). In other portal areas, portal veins were dilated with herniation into the surrounding liver parenchyma (so-called periportal shunt vessels; Fig. 2b).