. "104211604"@en-us . . . "105112630"@en-us . . "05423095-n"^^ . . "superior vena cava"^^ . . . . . . "precava"@en-us . . "0"^^ . . "receives blood from the head and arms and chest and empties into the right atrium of the heart; formed from the azygos and both brachiocephalic veins"@en-us . "0"^^ . "105423095"^^ . "superior vena cava"@en-us .