Is it possible to still have swelling 7 weeks after a Brazilian Butt Lift?

This is very possible and it could take up to 6 months or so for all the swelling to subside. However, generally, you should be able to get a better idea of your results after about 3-4 months. 

It is reasonable to assume that at 7 weeks you still can have some swelling after BBL.  I would all another month to pass before you determine if your result is not what you desire.

It is very possible that you still have swelling both in the liposuctioned areas as well as the fat transferred areas in the buttocks.  It takes about 3-4 months for most, but not all of the swelling to go away.  The remaining swelling goes away over the months 4-6.  I know it's difficult, but try and be patient. Best wishes.

Hello dear!!
Thanks for the question and provided information as well.
You are still early on the healing process, it can take up to six months to see your final results, so please be patient. At the stage you are in, inflammation is normal.
If you have any concerns, please follow up close with your plastic surgeon.
Good luck :)

At seven weeks it is likely that you still have swelling after you brazilian butt lift. This can take several more months to subside completely.