Aveli 6 months ago - Three large bumps on my left cheek - how can this be fixed?

I had Aveli done 6 months ago. I had some large dents on the booty that were making me very self conscious. After the initial dressings came off, I noticed that I had developed a seroma. It had to be drained 3 times. There are also 3 large bumps on my left cheek that are noticeable when I stand and when I’m in leggings. The bumps are softer in the morning and then get harder and more swollen as the day goes on. I wore the Spanx and lipo foam religiously for a month. I’ve had the hard spots injected with steroids (they softened up a tiny bit). I’ve massaged the bumps til my hands were sore. Hellllllp!!! What else can I do?? My right cheek looks great but the left looks worse than when I started (not to mention uncomfortable). Is there anything else that I can do??