The vast majority of cosmetic procedures--both surgical, such as face-lifts and liposuction, and nonsurgical, like Botox and collagen injections--conclude without incident But with the number of these operations growing--8.3 million in 2003, a 293% increase from 1997--things can end badly more often. Part of the problem may be that it is not necessary, from a legal standpoint, to be trained as a plastic surgeon to practice plastic surgery