[Quadraphinic]

It looks like normal swelling to me, but if she's eating, and her potty habits are the same, plus wanting to play, I'd say she's fine. I'd still call your vet if you're worried, and to let them know about the vomiting from the first couple of times eating. Let us know what the vet has to say if you ask him.
Cheers Quad & Gina