The diagnosis by cardiac catheterization of superior mediastinal anomalous pulmonary veins.
D006328:Cardiac Catheterization; D002404:Catheterization; D006321:Heart; D006801:Humans; D011667:Pulmonary Veins / Q000002:abnormalities*; D015619:Respiratory System Abnormalities; D014680:Veins
CATHETERIZATION, CARDIAC; VEINS, PULMONARY/abnormalities