part of the vena cava—a large vein also made up of the superior vena cava that carries blood from the head, neck, arms, and chest in the upper body to the heart. The IVC is formed by the merging ...

it can be a symptom of lung cancer as it can be caused by a blockage in the superior vena cava (SVC). This blockage occurs when tumours near the SVC press on the vein or surrounding area ...