Gyno removal post op - Uneven fat lipo, right side is firm while left side still have fats around nipple area, am lean now, still possible to lose it via diet and exercise or is a lipo necessary?

Hello everyone, am currently a few months post op, but it seems like uneven fat lipo removal was done. Right side is firm while left side has visible fat around the nipple area. This causes some folds and look a little weird. May I ask if more diet and exercise will cause me to lose it even when I'm lean or is a revision necessary? Thank you.