Anomalous inferior vena cava. Azygos continuation producing hilar tumor.
D000790:Angiocardiography; D001401:Azygos Vein / Q000002:abnormalities*; D004106:Dilatation; D005260:Female; D006801:Humans; D008875:Middle Aged; D014652:Vascular Diseases / Q000000981:diagnostic imaging; D014682:Vena Cava, Inferior / Q000002:abnormalities*