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Fifty-four-year-old female with locally advanced pancreatic adenocarcinoma. Axial CT image demonstrates a hypovascular mass in the head of the pancreas (large arrow) that encircles both the superior mesenteric vein (arrowhead) and superior mesenteric artery (small arrow). There is deformity of the superior mesenteric vein, which is an indication of vascular invasion, regardless of the degree of contact between the vessel and tumor.
