Upper airway, soft tissues, and mandibular reconstructions. Head and neck surface rendering with three-dimensional reconstructions of the upper airway, soft tissues, and mandible of a subject with obstructive sleep apnea syndrome in various views: lateral (top left), anterior oblique (top right), superior oblique (bottom left) and posterior (bottom right). Airway (light blue), tongue (brown), mandible (white), soft palate (blue), tonsils (yellow), adenoid (magenta), retropharyngeal nodes (red), and deep cervical nodes (green).