title: Present status of the inferior vena cava umbrella filter.
mesh_terms: D000328:Adult; D000368:Aged; D004386:Duodenum; D005374:Filtration / Q000009:adverse effects / Q000295:instrumentation*; D006406:Hematoma / Q000209:etiology; D006801:Humans; D007084:Iliac Vein; D007416:Intestinal Perforation / Q000209:etiology; D008026:Ligation; D008297:Male; D008722:Methods; D008875:Middle Aged; D010690:Phlebography; D011651:Pulmonary Artery; D011655:Pulmonary Embolism / Q000473:pathology / Q000517:prevention & control*; D012082:Renal Veins; D012187:Retroperitoneal Space; D014682:Vena Cava, Inferior / Q000601:surgery*