“…A self-expandable stent is commonly used at sites of flexion and access vessels that have different blood vessel diameters. 3,4,9,12,14,15,17,18,20,28,40,42,47,49,50,60,63,66,70,78 In the approach, as a 6Fr or larger sheath is required, a blood vessel that can accept that size sheath is also required. The venous approach is most common.…”