SUPERIOR VENA CAVA SYNDROME (SVCS)
SUPERIOR VENA CAVA SYNDROME (SVCS) Superior vena cava syndrome is a group of symptoms caused by a narrowing or blockage of the superior vena cava, which is the second largest vein in the body. The superior vena cava is a large vein located in the upper chest, which collects and carries deoxygenated blood from the head …