Assertion: syndrome's symptom | /r/CreatedBy | the buildup of pressure
Facets:
Source sentences:
text: The symptoms of SVC syndrome are caused by the buildup of pressure in the superior vena cava above the blockage.﻿﻿ The superior vena cava drains blood from the head and neck, arms, and upper chest, and blockage may result in the backup of blood in veins in these regions.