Arterial malformation in the superior mediastinum.
D005315:Fetal Diseases; D006330:Heart Defects, Congenital; D006801:Humans; D008480:Mediastinitis / Q000002:abnormalities*; D008482:Mediastinum; D014652:Vascular Diseases
HEART DEFECTS, CONGENITAL; MEDIASTINITIS/abnormalities