Your browser does not support the audio element. 6:16 min Presenting Physician Lyall A. Gorenstein, MDThoracic Other Media by this Physician Giant Hiatal Hernias: Podcast by Lyall A. Gorenstein, MD Achalasia: Podcast by Lyall A. Gorenstein, MD Pectus Excavatum: Podcast by Lyall A. Gorenstein, MD 3D Bronchoscopy: Podcast by Lyall A. Gorenstein, MD