Idiopathic dilatation of the right atrium: postoperative follow-up in a child.
D006328:Cardiac Catheterization; D002675:Child, Preschool; D004108:Dilatation, Pathologic; D006325:Heart Atria / Q000002:abnormalities* / Q000000981:diagnostic imaging / Q000601:surgery; D006801:Humans; D008297:Male; D013902:Radiography, Thoracic