POSTSTENOTIC AORTIC  DILATATION AS A ROENTGEN SIGN IN CONGENITAL VALVULAR AORTIC STENOSIS.
D000293:Adolescent; D001011:Aorta; D001015:Aortic Arch Syndromes; D001024:Aortic Valve Stenosis; D004106:Dilatation; D006801:Humans; D013902:Radiography, Thoracic
ADOLESCENCE; AORTIC VALVE STENOSIS; THORACIC RADIOGRAPHY