Liposuction is very good at removing fat bulges and improving contours due to fat accumulation. When doing liposuction on the thighs you have to be extra careful to avoid contour irregularities. Choose a plastic surgeon that is well trained and experienced in liposuction. Do not worry about the type or technique of liposuction, but the surgeon that is doing the procedure.
The inner thigh skin is very thin so this area will be the most likely to show skin looseness. Most women are happy to get rid of the fat bulge and trade it for a little skin laxity. If you have good skin elasticity you will have very little problem. The outer thigh area (saddle bags) has better skin thickness but may have some laxity depending on prior weight and inherited traits.
The posterior thigh or banana roll area beneath the buttocks should be suctioned very little if at all. The butt will sag if you decrease the roll in this area. You may need to consider a butt lift to get improvement in this area.