Rigid bronchoscopic view of the laryngotracheo-oesophageal cleft showing three openings: Right anterior (RA), left anterior (LA) and posterior (P). May 7, 2018 Print-Friendly Version You Might Also Like No related posts. Rigid bronchoscopic view of the laryngotracheo-oesophageal cleft showing three openings: Right anterior (RA), left anterior (LA) and posterior (P).
