Dilatation of the hemiazygos veins in superior vena caval occluson stimulating mediastinal tumor.
D004106:Dilatation; D004194:Disease; D006801:Humans; D008479:Mediastinal Neoplasms; D008482:Mediastinum; D013909:Thorax / Q000098:blood supply*; D014683:Vena Cava, Superior; D014684:Venae Cavae
MEDIASTINUM/neoplasms; THORAX/blood supply; VENAE CAVAE/diseases