degenerative spondylotic changesmultilevel spondylotic changesmoderate spondylotic changesdiffuse spondylotic changesminimal spondylotic changessevere spondylotic changescervical spondylotic changesanterior spondylotic changesthoracic spondylotic changesendplate spondylotic changesminor spondylotic changesdorsal spondylotic changes