Figure 5. 54 -year-old male, with 10 days history of constipation and vomiting. On admission, blood, stained vomitus occurred. Upper G.I. endoscopy was normal. Plain film showed a few gas-filled small and large bowel loops. No disproportionate distension. SBE with gastrografm shows complete obstruction at the proximal jejunum with the typical thumb printing of bowel infarction. Surgery revealed mesenteric vein thrombosis.