title: Cor triatriatum: diagnosis before operation and successful surgical treatment.
mesh_terms: D002675:Child, Preschool; D006325:Heart Atria; D006330:Heart Defects, Congenital / Q000175:diagnosis* / Q000601:surgery; D006801:Humans; D008297:Male; D011667:Pulmonary Veins / Q000002:abnormalities*