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. 2022 May 26;12:877799. doi: 10.3389/fonc.2022.877799

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Copyright © 2022 Wang, Sun, Yang, Hu, Zuo and Min

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Case 1 (EDR-LAFF). (A) Flap design. (B) Three cutaneous perforators were found during the operation. (C) The perforator of the distal end was retained. (D) The flap was rotated by 180°. (E) Chimeric flap (the white paper shows posterior cutaneous nerve of the arm). (F) The length of the pedicle before rotation was 9 cm. (G) The total length of the flap and pedicle after rotation was 18 cm. (G) Chimeric combined flap. (H) Vascular anastomosis. (I) Repair of defects intraorally. (J) Donor side after suturing. (K) Skin island of the flap intraorally, 1 month postoperatively. (L) Elbow extension, 1 month after surgery.