title: Quadricuspid aortic valve without severe regurgitation in pectus excavatum.
authors.affiliation: Department of Cardiology, Gulhane School of Medicine, Ankara, Turkey.
authors.forename: Sevket
authors.initials: S
authors.lastname: Balta
authors.forename: Sait
authors.initials: S
authors.lastname: Demirkol
authors.forename: Zekeriya
authors.initials: Z
authors.lastname: Arslan
mesh_terms: D001021:Aortic Valve / Q000002:abnormalities* / Q000000981:diagnostic imaging; D001022:Aortic Valve Insufficiency / Q000175:diagnosis / Q000209:etiology*; D018618:Echocardiography, Doppler, Color; D019560:Echocardiography, Three-Dimensional; D017548:Echocardiography, Transesophageal; D005660:Funnel Chest / Q000150:complications* / Q000175:diagnosis; D006330:Heart Defects, Congenital / Q000150:complications* / Q000175:diagnosis; D006801:Humans; D012720:Severity of Illness Index