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IGAP Flap

Inferior gluteal artery perforator flap. Similar to SGAP but takes tissue from the lower buttock near the crease, sparing the gluteal muscle. The ASPS notes it is used less often than SGAP because the scar ends up near the area you sit on. For a larger breast it may be combined with an implant or another flap.

Sources: American Society of Plastic Surgeons; National Cancer Institute; American Cancer Society.