Figure 3. Closer view of dissection of supracolic compartment of abdomen, showing the accessory pancreatic mass (APM) above the pancreas. Note the accessory pancreatic mass is incompletely encircling the contents of right free margin of the lesser omentum. B: bile duct; BPN: body of the pancreas; GB: gallbladder; GDA: gastroduodenal artery; HAP: hepatic artery proper; HPN: head of the pancreas; LR: liver