"Soon after, Ambrosino's corpse entered the United States' vast tissue-donation system, his skin, bones and other body parts destined for use in the manufacture of cutting-edge medical products.But before they entered the system, Michael Mastromarino, owner of a New Jersey-based tissue recovery firm, needed to solve a couple of problems.He didn't want to have to report that Ambrosino had perished i" . . . . .