X-ray of the cervical spine. Grade 1 C2 on C3 anterolisthesis (yellow arrow).Severe multilevel degenerative changes, particularly C3-C4 (green arrow) and C5-C6 (blue arrow). Narrowing of the disc spaces, anterior dorsal endplate with sclerotic degenerative changes. The old C6-C7 discectomy and fusion (red arrow).