Cor triatriatum.
D006325:Heart Atria / Q000002:abnormalities* / Q000601:surgery; D006330:Heart Defects, Congenital / Q000601:surgery*; D006801:Humans; D007223:Infant; D008297:Male; D011183:Postoperative Complications / Q000188:drug therapy; D011667:Pulmonary Veins / Q000002:abnormalities*; D014043:Tolazoline / Q000627:therapeutic use
D014043:Tolazoline