Inferior vena caval varix.
D000783:Aneurysm / Q000000981:diagnostic imaging / Q000601:surgery; D000790:Angiocardiography; D006328:Cardiac Catheterization; D005500:Follow-Up Studies; D006330:Heart Defects, Congenital / Q000150:complications* / Q000000981:diagnostic imaging; D006333:Heart Failure / Q000209:etiology; D006344:Heart Septal Defects, Atrial / Q000150:complications; D006352:Heart Ventricles / Q000002:abnormalities; D006801:Humans; D007223:Infant; D008297:Male; D011666:Pulmonary Valve Stenosis / Q000150:complications; D014682:Vena Cava, Inferior / Q000000981:diagnostic imaging / Q000601:surgery