Sonographic demonstration of left-sided inferior vena cava with hemiazygos continuation.
D001401:Azygos Vein / Q000000981:diagnostic imaging; D005260:Female; D006801:Humans; D008875:Middle Aged; D011859:Radiography; D014463:Ultrasonography; D014682:Vena Cava, Inferior / Q000002:abnormalities*