early degenerative changestricompartmental degenerative changesuncovertebral degenerative changesmultilevel spondylotic changesacromioclavicular degenerative changeshypertrophic degenerative changesmultilevel degenerative changespatellofemoral degenerative changesadvanced degenerative changesmoderate spondylotic changesdiffuse spondylotic changesmoderate degenerative changes