I think the asymmetry of her breasts has increased. Her right breast probably has 50% more volume now. Not that I'm complaining. It's something I can get into.
How about we up that to 100%?!
Courtesy of DeviantArtist lnmman (that's "Loch Ness Monster Man", apparently), who has a fair collection of enhanced pics with lopsided boobs (also multiboobs. And Hitomi boobs.):