CT Demonstration of the Extracardiac Anastomoses of the Coronary Veins in Superior Vena Cava or Left Brachiocephalic Vein Obstruction
A 71 year old male, with metastatic lung carcinoma, underwent a CT angiogram for suspected PE. Metastatic adenopathy almost completely occluded the SVC above and below the azygos arch. No evidence of PE was found.