Fig 2From: Obstructive sleep apnea in patients with laryngeal cancer after supracricoid or vertical partial laryngectomyRetrolingual space of one patient undergoing SCPL before the surgery (a) and 3 month after extubation (b). Retropalatal (c) and retrolingual (e) space during the end of quiet respiration; Retropalatal (d) and retrolingual (f) space during Mueller’s maneuver with one patient undergoing SCPL. Retrolingual space in the expiratory phase (g) and aspirated phase (h) with one patient undergoing VPLBack to article page