Image 6: "Hourglass" appearance of right internal jugular vein
![](https://mb.cision.com/Public/MigratedWpy/102669/9232953/9f7d84c3deb0a46d_800x800ar.jpg)
The Society of Interventional Radiology is a national organization of physicians, scientists and allied health professionals dedicated to improving public health through disease management and minimally invasive, image-guided therapeutic interventions.