Prediction of Abdominal Aortic Aneurysm Shrinkage After Stent-placement With Artificial Intelligence

Inclusion Criteria: * Age ≥ 18 years; * Elective, initially technically successful (as described by the ESVS guidelines11), infrarenal EVAR for unruptured infrarenal AAA; * Implanted endograft is a Gore Excluder, Medtronic Endurant, Cook Zenith, Cordis Incraft, Endologix AFX, Jotec E-Tegra, or Vascutek Anaconda endograft; * Follow-up of the AAA of at least one year with imaging of the same modality as the preoperative imaging; * Axial reconstructions of preoperative CT angiography available, preferably in the arterial phase and with 3 mm or smaller slice thickness. Exclusion Criteria: * Patients with ruptured or symptomatic AAA; * Patients that were treated with fenestrated or branched endografts, iliac branched devices, non-CE marked devices within trial setting, other endografts (EVAS cases) or chimney procedures; * Acute procedures; * Reintervention before one year follow-up; * Revision cases after previous open or endovascular aneurysm repair of an AAA;