Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated . There is no focal consolidation , effusion , edema , or pneumothorax . The heart size is normal . The cardiac and mediastinal contours are overall unchanged since ___ . Multilevel degenerative changes in the thoracic spine with anterior osteophytes have slightly progressed since ___ . Dextroconvex scoliosis of the thoracic spine is mild , unchanged . Moderate to severe degenerative changes at the first sternoclavicular joint have slightly progressed . Degenerative changes in the right acromioclavicular joint are mild - to - moderate .
    OUTPUT:
    
1 . No focal pneumonia . 2 . Stable hyperinflation .