The occurrence of two vascular rings in the same infant.
D001011:Aorta / Q000002:abnormalities*; D001344:Autopsy; D004373:Ductus Arteriosus / Q000002:abnormalities*; D006330:Heart Defects, Congenital / Q000000981:diagnostic imaging / Q000473:pathology; D006345:Heart Septal Defects, Ventricular; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D011651:Pulmonary Artery / Q000002:abnormalities*; D011859:Radiography; D013348:Subclavian Artery / Q000002:abnormalities*