T1-L5

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 Unstable spine – Low grade ESCC
Unstable spine – Low grade ESCC

Patients with mechanical instability have SINS 13-18 or 7-12 accompanied by movement-exacerbated pain.
Patients with low grade ESCC (0-1) have tumors that are either confined to bone or that extend into the epidural space without causing displacement or deformation of the spinal cord.