Assertion: common iliac artery's bifurcation | /r/CapableOf | provide inadequate proximal neck
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Source sentences:
text: In a further 6 cases with unilateral common or external iliac artery aneurysms, the vascular pathology was not suitable for endovascular treatment because the aneurysm extended into the aortic bifurcation that provided an inadequate proximal neck (<1.5 cm).