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My answer is a yes. Because my mom has had a liposuction months before and she got very good results. But sometimes you have to undergo tummy tuck instead of liposuction.
Liposuction is a great solution to reduce excess fat. But it does not remove the excess sagging skin whereas tummy tuck does. If you are considering a liposuction or tummy tuck, you need to consult a right surgeon in the first place. He will recommend you the one right for you.
I hope this link
http://www.cosmeticsurgerytoronto.com/liposuction.php
would be helpful.