Correct answer: c) Endoleak
Type I and III endoleaks needs immediate attention. Spontaneous sealing off may occur half of the type II endoleaks. Vascular injury rates are low with EVAR because of meticulous preprocedural planning with the aid of three dimensional imaging and is in the range of zero to three percent. Incidence of stent graft infection is also low at around a percent, but if it occurs, the mortality rate is high.