Those bumps are enlarged Montgomery glands which many could be excised. The excision might interfere with potential breast feeding if you are able to become pregnant. Those bumps are benign.
Plastic surgery scars require attention after surgery so that they remain cosmetically-appealing and barely noticeable. In our office, we use a protocol for scars that minimizes their activity in the 6-8 weeks after surgery. If you have late plastic surgery scars, you may also require laser and...
That areola could be raised with a scar at its upper edge if desired. However, your asymmetry is minimal, and I doubt anyone else would notice or even comment. I would suggest leaving it alone unless this really bothers you. You also could lose some nipple sensation.
