Diffuse dilatation of the main pancreatic duct throughout the gland. No dilatation of side ducts. The dilatation is continuous to the ampulla (fishmouth ampulla sign). Mild peripancreatic oedema with increased attenuation of surrounding fat. Mild reduction in density in the head and neck of the pancreas. No discrete peripancreatic fluid connection. Lymph nodes with an inflammatory appearance anterior to the neck of the pancreas. No focal hyper-enhancing pancreatic mass. No bile duct dilation. Normal liver and gallbladder. No splenic or portal vein thrombosis. No abnormalities elsewhere within the abdomen.