Superior Vena Cava Syndrome
SVC obstruction is a narrowing or blockage of the superior vena cava -- the second largest vein in the human body. The superior vena cava moves blood from the upper half of the body to the heart.
Alternative Names
Superior vena cava obstruction; Superior vena cava syndrome
Causes, incidence, and risk factors
Superior vena cava (SVC) obstruction is a relatively rare condition.
Most often it is caused by cancer or a tumor in the mediastinum (the area of the chest under the breastbone and...
Read moreMore information on "Superior Vena Cava Syndrome"
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