The defect is converted to a parallelogram with angles of 60 and 120 degrees, and the flap is designed accordingly. (Adapted from Morrow CP, Curtin JP. Reconstructive surgery. In: Morrow CP, Curtin JP, eds. Gynecologic Cancer Surgery. Philadelphia, PA: Churchill Livingstone; 1996:323-380.) Source: Pelvic Exenteration, Gynecologic Oncology: Clinical Practice and Surgical Atlas Citation: Karlan BY, Bristow RE, Li AJ. Gynecologic Oncology: Clinical Practice and Surgical Atlas; 2015 Available at: http://hemonc.mhmedical.com/DownloadImage.aspx?image=/data/books/1381/kar_ch32c_f017b.png&sec=75547138&BookID=1381&ChapterSecID=75546806&imagename= Accessed: October 12, 2017 Copyright © 2017 McGraw-Hill Education. All rights reserved