thoracic cavity vein
vena cava
http://upload.wikimedia.org/wikipedia/commons/3/35/Relations_of_the_aorta,_trachea,_esophagus_and_other_heart_structures.png
https://ccf-ontology.hubmapconsortium.org/objects/v1.2/VH_F_Blood_Vasculature.glb
https://ccf-ontology.hubmapconsortium.org/objects/v1.2/VH_M_Blood_Vasculature.glb
https://upload.wikimedia.org/wikipedia/commons/7/7c/Heart_numlabels.png
MA:0000068
caval vein
venae cavae
GAID:547
uberon
SCTID:244405007
FMA:321896
EMAPA:18415
UMLS:C0042460
MESH:D014684
AAO:0010215
UBERON:0004087
BTO:0001438
NCIT:C12817
Any of the veins that carries deoxygenated blood from a part of the body into the right atrium of the heart.
Wikipedia:Venae_cavae
great vessel of heart