Fig. 1. (A) Active ulceration with an exposed vessel in the duodenal bulb. (B) Metallic stent exposure at the base of the ulcer (arrow: exposed portal stent).

Fig. 2. Complete thrombotic occlusion of the portal vein stent graft with duodenal penetration on computed tomography (arrow: portal stent).

Fig. 3. Healed ulceration on follow-up endoscopy.