Figure 4. Enhanced axial CT of the abdomen and pelvis, demonstrating compression of the left common iliac vein (blue arrow) between the left internal iliac artery (red arrow) and the vertebral body at the S1 level

From

Case of Deep Venous Thrombosis Secondary to May-Thurner Syndrome

Philip Tulio, Randol Kennedy, Ryan Choudhury, Jehad Azar

American Journal of Medical Case Reports. 2020, 8(1), 26-30 doi:10.12691/ajmcr-8-1-7