Post-metallic stent placement bleeding caused by stent-induced ulcers

Figure 1 A large tumor at the recto-sigmoid junction was seen almost obstructing the entire lumen.

Figure 2 A circumferential ulcer in the rectum was seen being impinged upon by the sharp edges of the Wallstent.

Figure 3 A circumferential ulcer with an adherent clot in the first part of duodenum was seen being impinged upon by the sharp edges of the Wallstent.

Figure 4 Circumferential ulcer with mild oozing was noted at the proximal end of the stent in the esophagus.