The internal mammary artery and saphenous vein are the two most common vessels used in coronary artery bypass grafting. The internal mammary artery offers better long-term success rates. The saphenous vein is often used for multiple bypasses. ;
The two most common veins used in coronary artery bypass grafting (CABG) are the internal mammary artery and the saphenous vein. The internal mammary artery is preferred for its excellent long-term success rates, while the saphenous vein is often used for multiple bypasses. Therefore, the correct answer is C: mammary and saphenous.
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