There are so many risks with surgery. I'm confident you could reach your goal with a couple shifts in your diet and activity. Do you workout at all now?
How tall are you? Normally you have to be 100 pounds over weight and have at least 1 health risk factor such as high BP or Diabetes. There are some doctors who will do it if you do not have these but they make you take a set of classes about it.
There are so many risks with surgery. I'm confident you could reach your goal with a couple shifts in your diet and activity. Do you workout at all now?