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In many cases, more than one coronary artery must be bypassed, and both the internal mammary and radial arteries and the saphenous vein are used to perform the bypasses.
Review Date 4/13/2026
Updated by: Mary C. Mancini, MD, PhD, Cardiothoracic Surgeon, Shreveport, LA. Review provided by VeriMed Healthcare Network. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.