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Figure 5b. Elongation of an arteriosclerotic aneurysm. Drawing in a depicts a long aneurysm of the descending thoracic aorta distal to the LSA. The aneurysm is treated with two stent-grafts with minimal overlapping (arrowheads in b), but, over time, vector forces (arrows in b) induce migration and disconnection of the stent-grafts (c).
