Nope, couldn't get that big. Without an internal framework to support organs, the organs would get compressed by the weight of the mass on top of them and the animal would die. Unlike plants with a rigid cell wall, all animals primarily have lipid membranes. Just wouldn't work without the internal framework to hang all the stuff off of.
Whew! I feel better now........
The most important thing to be learned from those who demand "Equality For All" is that all are not equal...
Gun Control - seeking a Hardware solution for a Software problem...