Transitional lumbosacral anatomy. the inferiormost, well- formed disc space is labeled l5-s1. mild retrolisthesis of l5 on s1. minimal retrolisthesis of l4 on l5. the lumbar vertebrae are normal in height. would this cause me pain? what does it mean?

Retrolisthesis is a relatively uncommon finding by spine X-ray. This condition does not often cause any symptom but neck or back pain can be a presenting symptom. In general, the observed X- ray change may not correlate well with the symptom. You can read more about this condition, i.e. what retrolisthesis is, from this link - https://www.webmd.com/back-pain/what-is-lumbar-retrolisthesis