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Figure 3: The biodegradable nanofiber‑covered stent was placed in a canine aneurysm model with an endoleak. (a) Anteroposterior angiography immediately after aneurysm establishment shows an aneurysm (arrow) at the middle part of the common carotid artery. (b) Anteroposterior angiography 2 weeks after aneurysm establishment shows an aneurysm at the middle part of the common carotid artery with thrombolysis in the aneurysm sac (arrow). (c) Anteroposterior angiography obtained immediately after stent placement shows incomplete occlusion of the aneurysm with an endoleak (arrow). (d) Follow‑up angiographic study obtained 3 months after the procedure illustrates complete occlusion of the aneurysm

Figure 3: The biodegradable nanofiber‑covered stent was placed in a canine aneurysm model with an endoleak. (a) Anteroposterior angiography immediately after aneurysm establishment shows an aneurysm (arrow) at the middle part of the common carotid artery. (b) Anteroposterior angiography 2 weeks after aneurysm establishment shows an aneurysm at the middle part of the common carotid artery with thrombolysis in the aneurysm sac (arrow). (c) Anteroposterior angiography obtained immediately after stent placement shows incomplete occlusion of the aneurysm with an endoleak (arrow). (d) Follow‑up angiographic study obtained 3 months after the procedure illustrates complete occlusion of the aneurysm