title: Persistent left superior vena cava found during pacemaker replacement.
authors: Department of Cardiology, Central University Hospital in Warsaw, Poland. swieton@onet.pl.
authors: Elżbieta Barbara
authors: EB
authors: Świętoń
authors: Przemysław
authors: P
authors: Stolarz
authors: Marcin
authors: M
authors: Grabowski
authors: Roman
authors: R
authors: Steckiewicz
mesh_terms: D000369:Aged, 80 and over; D063405:Anatomic Variation; D005260:Female; D006801:Humans; D010690:Phlebography; D014683:Vena Cava, Superior / Q000033:anatomy & histology*