I don't think this is correct. I looked up the cost comparison and while back lipo isn't listed, you could assume the costs are similar where the US charges more.
Abdominal Liposuction: Korea $2,000–$4,000 vs. US $5,900–$9,300+
Thigh Liposuction: Korea $1,500–$3,500 vs. US $2,400–$5,700+
Chin/Face Liposuction: Korea $1,000–$5,000 vs. US $3,000–$7,500+
Flank (Love Handles): Korea $1,500–$3,000 vs. US $5,000–$10,000