The present disclosure provides a stent graft comprising (a) a self-expandable stent structure having a first end and a second end, wherein the self-expandable stent structure defines a lumen, (b) at least one restraint configured to be coupled to an exterior surface of the stent graft in a compressed condition, and wherein the at least one restraint is configured to be broken to permit the stent graft to transition to an expanded condition, and (c) a first plurality of anchoring projections coupled to the exterior surface of the stent graft adjacent to the first end of the self-expandable stent-structure.