title: Management of a widowmaker.
mesh_terms: D005268:Femoral Vein; D006801:Humans; D007084:Iliac Vein; D008297:Male; D008875:Middle Aged; D011859:Radiography; D012082:Renal Veins; D013927:Thrombosis / Q000000981:diagnostic imaging / Q000601:surgery*; D014462:Ultrafiltration / Q000295:instrumentation* / Q000379:methods; D014682:Vena Cava, Inferior