http://www.appliedradiology.com RSS Feed on Applied Radiologyhttp://www.appliedradiology.com//Issues/1998/11/Articles/Inferior-vena-cava-filters--An-update.aspxPulmonary thromboembolism (PE) is a common condition and represents a major cause of morbidity and mortality. The true incidence has not been exactly established, but it is estimated that between 570,000 and 750,000 cases of PE occur annually in the United States.Thursday, 21 Sep 2000 16:43:42 GMT