Assertion: spondylolisthesis's vertebra | /r/AtLocation | the thoracic area
Facets:
Source sentences:
text: Twelve vertebrae are located in the thoracic area, marked above as T1 through T12, five are located in the lumbar area as L1 through L5, five in the sacral area as S1 to S5, and four in the coccyx tailbone area.