A ring in the right atrium.
Chiu
Sungwai
S
Department of Cardiology, State University of New York-Downstate Medical Center, Brooklyn 11203, USA.
Baldari
Duccio
D
Salciccioli
Louis
L
D000368:Aged; D000714:Anastomosis, Surgical; D017541:Aneurysm, False / Q000000981:diagnostic imaging* / Q000601:surgery; D001014:Aortic Aneurysm / Q000000981:diagnostic imaging* / Q000601:surgery; D004452:Echocardiography; D006325:Heart Atria / Q000000981:diagnostic imaging; D006801:Humans; D008297:Male; D011859:Radiography