Collateral venous circulation after obstruction of the superior and part of the inferior vena cava.
D001769:Blood; D003097:Collateral Circulation; D006801:Humans; D035423:Thoracic Cavity; D014680:Veins; D014682:Vena Cava, Inferior; D014684:Venae Cavae
BLOOD; VENAE CAVAE