Elective stenting of a de novo ostial lesion of the right internal mammary artery.

Elective stenting for severe stenosis involving the origin of a right internal mammary artery graft was performed in a 60-year-old patient with severe unstable angina 2 yr after surgical revascularization. The procedure had an excellent immediate result which persisted at 6-mo angiographic follow-up. This unusual localization of arterial narrowing will probably be increasingly recognized as the right internal mammary artery becomes a first-choice conduit for right coronary artery bypass.