Four CoolMax treatments on abdomen of non-overweight woman?

I am scheduled to have four CoolMax treatments in a diamond shape around the navel. I'm concerned because so far, I've only seen people getting maybe just 2 CoolMax treatments. I am not overweight, nor do I carry most of my fat in the belly. The technician said that I had a long torso, so they could fit 2 CoolMax on the top. The cost is also a lot more than normal for this reason ($4,000), so I'm worried that it's not nessesary? Does this seem potentially reasonable, or should I be concerned about this?

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