Pancreatic Injuries are diagnosed on a scale from Grade I which are only minor contusions, to Grade V laceration with a massive disruption of the pancreatic head, the area of the pancreas that sits in the curvature of the large intestine and wraps around two blood vessels.
The head of the pancreas sits within the curvature of the duodenum, and wraps around the superior mesenteric artery and vein. Small intestine 
