Figure 1. 63-year-old woman with carcinoma of the pancreatic head and dilation of the bile ducts and the pancreatic duct after injection of Iomeprol 400: (a) arterial phase scan, (b) portal venous phase scan. 66-year-old man with carcinoma of the pancreatic body, who received Iomeprol 300: (c) arterial phase scan, (d) portal venous phase scan. The higher arterial phase contrast enhancement with Iomeprol 400 (a) compared with Iomeprol 300 (c) for the large and small arteries, the pancreas and the kidneys as well as the higher portal venous phase enhancement for the pancreas and portal vein with Iomeprol 400 (b) compared with Iomeprol 300 (d) are demonstrated.