Unilateral superior vena caval obstruction in a case of bilateral superior venae cavae.
D006330:Heart Defects, Congenital; D006801:Humans; D013479:Superior Vena Cava Syndrome; D014683:Vena Cava, Superior; D014684:Venae Cavae
HEART DEFECTS, CONGENITAL; VENA CAVA, SUPERIOR