Single ventricle and single atrium with anomalous hepatic venous drainage and azygos continuation of inferior vena cava in an adult patient.

In a 37-year-old patient, ultrasonography showed and CT confirmed the presence of single ventricle, single atrium, azygos continuation of inferior vena cava, anomalous hepatic vein drainage, and persistent left superior vena cava. Such a constellation of cardiovascular anomalies is exceptionally diagnosed in adulthood.