Superior vena cava syndrome (SVCS), or superior vena cava obstruction (SVCO), is the result of the direct obstruction of the superior vena cava or compression of the vessel wall by right upper lobe tumours and/or mediastinal lymphadenopathy.
Superior vena cava syndrome (SVCS), or superior vena cava obstruction (SVCO), is a result of obstruction of the superior vena cava. It most commonly occurs by direct obstruction of the superior vena cava or compression of the vessel wall by right upper lobe tumours and/or mediastinal lymphadenopathy.