title: Vena cava umbrella filter insertion during pulmonary embolectomy.
mesh_terms: D005112:Extracorporeal Circulation; D005374:Filtration; D006801:Humans; D008722:Methods; D011655:Pulmonary Embolism / Q000517:prevention & control*; D014682:Vena Cava, Inferior / Q000601:surgery*