An incidental finding is noted that a left-sided inferior vena cava which is seen crossing anteriorly to the right of the aorta opposite L2 level. The gallbladder shows multiple stones and high density material in its dependant area, suggestive of calcium milk.
Transposition of inferior vena cava is also known as left-sided inferior vena cava. It is a variant in the course of the inferior vena cava. It is the most common anomaly of inferior vena cava. and occurs due to persistence of the left supracardinal vein.