this picture shows the stomach and duodenum lying anterior to the pancreas. this is why the water is so successful in helping visualise the pancreas.
by bruceblaus. when using this image in external sources it can be cited as:blausen.com staff (2014). “medical gallery of blausen medical 2014”. wikijournal of medicine 1 (2). doi:10.15347/wjm/2014.010. issn 2002-4436. – own work, cc by 3.0, https://commons.wikimedia.org/w/index.php?curid=28909219