ZEPHYR / SCIENCE PHOTO LIBRARY ZEPHYR / SCIENCE PHOTO LIBRARY
IVC filter implanted in abdomen. Combined 2D computed tomography (CT) scan and 3D CT angiogram of the abdomen of a 74-year-old woman, showing an inferior vena cava filter (IVF, forked white object) implanted in the main body vein. This implant is used to prevent pulmonary embolisms. Also visible are the kidneys and the filled bladder. The effects of arthritis are seen in the hip joints at lower right and lower left.
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