[QUOTE=quantum;4494567]would stomach acids melt it at all?[/QUOTE]
Plastic is forever. Once produced it never goes anywhere. Did you know there is a plastic garbage "island" the size of Texas floating out there in the Pacific? That;'s a lot of refuse.
As to the question at hand, I agree with others, it's no joking matter. Get the hypothetical party to a doctor ASAP.