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The superior vena cava (SVC) is the superior of the two venae cavae, the great venous trunks that return deoxygenated blood from the systemic circulation to the right atrium of the heart.
Added 2/18/2018 2:04:02 AM
This answer has been confirmed as correct and helpful.
Confirmed by
selymi [2/18/2018 9:00:54 AM]