Assertion: isthmic spondylolisthesis | /r/CapableOf | affect bottom vertebra
Facets:
value: most commonly
type: DEGREE
value: in the lower
type: LOCATION
Source sentences:
text: Isthmic spondylolisthesis most commonly affects the bottom vertebra in the lower back just above the sacrum (a triangular shaped solid base consisting of 5 fused vertebrae).