Assessment of the late lumen loss with Absorb stent (BVS) by QCA: Coronary angiography after average duration of 15.5 ± 7.3 (months) with 49 patients (61, 3%), it proves that: the lesion angulation increases compared to that after intervention is measured by 3, 55±3, 72 degree; Incidence of side branche occlusion is 0%. Significant in-stent restenosis ISR (>50%) is 8.2% in which 6.1% diffuse and 2.1% local.