Cor triatriatum, an operable form of pulmonary hypertension.
D000790:Angiocardiography; D001794:Blood Pressure; D006328:Cardiac Catheterization; D002675:Child, Preschool; D005260:Female; D006325:Heart Atria; D006330:Heart Defects, Congenital / Q000601:surgery; D006801:Humans; D006976:Hypertension, Pulmonary / Q000175:diagnosis* / Q000209:etiology; D011667:Pulmonary Veins / Q000002:abnormalities*