ZEPHYR / SCIENCE PHOTO LIBRARY ZEPHYR / SCIENCE PHOTO LIBRARY
Permanent chest catheter. Coloured frontal 3D computed tomography (CT) scan of the rib cage of a patient with a permanent chest catheter. The insertion point (round) of the catheter is at upper left by the patient's shoulder. The catheter passes into a chest blood vessel, round the right collar bone and down into the vena cava, the main vein in the body, leading into the heart. The blood vessels, heart and other chest organs are not seen on this scan. A permanent catheter is implanted for a variety of reasons. These include using it to make supplying chemotherapy drugs easier, or using it to carry out examinations of the heart.
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