Fig. 2. Postoperative complications following free flap reconstruction of oral defect. (A) In this patient with persistent erythematous neck swelling, computed tomography scan revealed dead space in the right submandibular space, which is in continuity with the pharyngeal lumen. (B) The patient experienced a neck bleeding while under observation, and underwent emergency angiography and coiling of the external carotid artery. (C) Intraoperative view of the carotid artery, a portion of which had eroded away from saliva leak. (D) Upon control of the hemorrhagic source, the pectoralis muscle myocutaneous flap was elevated into the cervical space to obliterate the dead space and cover the external skin.