Editing Retroperitoneum (section)

=== Pancreas ===
* '''Head''' '''lies anterior to the IVC and is''' '''surrounded by the 2nd portion of the duodenum'''.
** '''This portion is at risk of injury during right kidney procedures'''
* The neck connects the head to the body, which crosses the abdomen anterior to the aorta to the origin of the superior mesenteric artery.
* '''The tail of the pancreas is closely associated with the spleen'''
** '''This portion is at risk of injury during left kidney procedures because of its proximity to the upper pole of the left kidney and left adrenal.'''
** '''In addition, the stomach is anterior to the upper pole of the left kidney and must be accounted for during transperitoneal left renal surgery'''