These signs were consistent with superior vena cava (SVC) syndrome. Precordial examination was notable for a healing left pectoral scar ... focal stenosis at the SVC-right atrium junction, with ...
Elective computed tomography in an 85-year-old man (Figure a; mixed arterial/venous contrast phase) revealed an absent right superior vena cava (SVC; asterisk) and an isolated persistent left SVC ...