ZEPHYR / SCIENCE PHOTO LIBRARY ZEPHYR / SCIENCE PHOTO LIBRARY
Aortic aneurysm. Coloured 3D computed tomography (CT) angiograms comparing the abdominal region of a healthy 65-year-old (left) with that of 67-year-old patient (right) who has an aneurysm (ballooning, centre right) of the descending abdominal aorta (vertical). Both patients' kidneys can also be seen (red, left and right).
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