supra renal IVC is in its normal position.

at level of kidneys IVC crosses aorta via left renal vein(arrow).

here, we can find the calcified aorta on the right side

of infra renal IVC(inverted anatomical relation).

Reference:BiblioMed Textbook-Computed Body Tomography

Reference:BiblioMed Textbook-Computed Body Tomography