Assertion: aneurysm | /r/CapableOf | begin above renal arteries
Facets:
Source sentences:
text: When the aneurysm begins above the renal arteries, neither fenestrated endografts nor "EndoAnchoring" of an infrarenal endograft are useful (an open surgical repair may be necessary).
text: Standard EVAR is appropriate for aneurysms that begin below the renal arteries, where there exists an adequate length of normal aorta (the "proximal aortic neck") for reliable attachment of the endograft without leakage of blood around the device ("endoleak").