Modified hemipelvectomy. Bony section divides ilium above acetabulum (red dotted line), preserving iliac crest.(Redrawn from: Bibbo C, Newman AS, Lackman RD, Levin LS, Kovach SJ: A simplified approach to reconstruction of hemipelvectomy defects with lower extremity free fillet flaps to minimize ischemia time, J Plast Reconstr Aesth Surg 68:1750, 2015)