title: An atypic pattern of the azygos venous system in man.
abstract: A rare variation of the azygos system, found in an 84 year old man, is described. A "double-columned" azygos system runs in front of the spine, and the azygos major crosses the superior lobe of the right lung and enters the right subclavian vein.
authors.affiliation: Department of Anatomy, 1st Medical School, University of Naples, Italy.
authors.forename: A
authors.initials: A
authors.lastname: Mezzogiorno
authors.forename: C
authors.initials: C
authors.lastname: Passiatore
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D001401:Azygos Vein / Q000002:abnormalities*; D006801:Humans; D008297:Male