Vessels
Arch of azygos vein
<7 mm
Radiography (Posteroanterior)
Reference
Heitzman ER. Radiologic appearance of the azygos vein in cardiovascular disease. Circulation. 1973;47 (3): 628-34.
Pubmed ID: 4692217
| DOI: 10.1161/01.CIR.47.3.628