I think every ER in the country has the same list. I knew some former ER workers, and the largest object they recall having to remove was a softball(!).
A man arrested this week in North Carolina may have stashed a .38 barrel revolver in his rectum, according to police, who reported that the unloaded 10-inch weapon was not discovered until after the suspect had been booked into a cell in the county jail.
http://www.thesmokinggun.com/buster/gun-hidden-in-butt-765912