title: Vena caval surgery to prevent recurrent pulmonary embolism [proceedings].
mesh_terms: D003250:Constriction; D006801:Humans; D008026:Ligation; D008722:Methods; D011183:Postoperative Complications; D011655:Pulmonary Embolism / Q000517:prevention & control*; D012008:Recurrence; D014684:Venae Cavae / Q000601:surgery*