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Third in-stent restenosis (ISR). A coronary angiogram (CAG) revealed type IV ISR secondary to brachytherapy failure. Plain old balloon angioplasty using a 3.0×20 mm balloon and 3.0×18 mm bare-metal stent implantation distal to previously implanted stent was performed. Final CAG showed no residual stenosis with good distal flow.
