You should take any unusual stomach pains seriously, as this curious specimen demonstrates. Sadly, it's original host didn't follow that helpful advice. Heh.
This was sculpted out of polymer clay and painted with acrylics. The detail work was done with dental tools and some custom texture stamps. I added the gore just to dress up the photos a bit. It's essentially lumpy gravy- cornstarch and water mixed with some food coloring and heated up until it gels.
Just right click on the photos and open in a new tab to see the high resolution versions.