Figure 4From: Surgical treatment for rectal cancer with abnormally expanded inferior mesenteric vein resulting from pancreatic arteriovenous malformations Racemose vascular networks in the pancreas, early venous return, and abnormally expanded IMV. Preoperative angiography confirmed racemose vascular networks in the body and tail of the pancreas (arrowhead), and early venous return to the portal venous system and the abnormally expanded IMV (arrow).Back to article page