Right superior vena cava draining into the left atrium with left superior vena cava draining into the right atrium.
D000328:Adult; D001922:Brain Abscess / Q000150:complications; D006325:Heart Atria / Q000002:abnormalities; D006801:Humans; D008297:Male; D011859:Radiography; D014683:Vena Cava, Superior / Q000002:abnormalities* / Q000000981:diagnostic imaging