Assertion: spondylolisthesis's vertebra | /r/HasProperty | antero
Facets:
Source sentences:
text: It should be noted that since spondylolisthesis can change the typical curvature patterns in both the sagittal and coronal plane, vertebrae may appear to be antero or retro to a normal placement location, but are really just slightly out of their ideal anatomical places due to changes in these curvatures.