early degenerative changestricompartmental degenerative changesdegenerative endplate signal changesuncovertebral degenerative changesdegenerative spondylotic changestype 2 degenerative endplate changesacromioclavicular degenerative changeshypertrophic degenerative changesmultilevel degenerative changespatellofemoral degenerative changesadvanced degenerative changesmoderate degenerative changes