“…2) PIS causes fever, leukocytosis, an increase in the CRP level, and increases in the levels of inflammatory markers, such as interleukin (IL)-6 and -8. [3][4][5][6] Pyretolysis is not achieved by antibiotic therapy, and there is a negative reaction on blood culture; therefore, the possibility of infection-related inflammation is ruled out. Concerning the mechanism of PIS, a study reported that the insertion of a stent graft led to the rapid progression of intraaneurysmal thrombosis, causing inflammation.…”