If you feel you are flat in the back, perhaps a Brazilian buttock lift to transfer tummy fat to the buttocks would help.
Doctor rating sites include:
Hope this helps.
Jill - revision - band to DS 3/10/05 Dr. Baltasar, Spain
440/140/149 hw/cw/gw - 5'5" -300lbs -- bmi 73.2 to 24.8 :) GOAL MET 10/26/10!!.... Even made 140 September 2012. Been ranging 4-6lbs from 144-146 since then. Back to 140 December 2012, hoping to see it again after I feel better and start working out.