None. Zero, Zilch, Zip. I was a 14/16 going in, I'm a 14/16 coming out. I had only skin, he didn't remove a whole heck of a lot of poundage.
However, everything fits much better, if a little bit oddly.
It's really all dependent upon so so many things. How your weight is carried, where distributed, etc.
"Accountability first to yourself, then nobody else matters"