Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear of focal consolidation . Blunting of the posterior costophrenic angles may be due to small effusions . The cardiac silhouette is enlarged , some of which is due to prominent mediastinal fat seen on prior CT scan . No acute osseous abnormalities identified . Degenerative changes noted at the shoulders and hypertrophic changes noted in the spine .
    OUTPUT:
    
Possible small bilateral effusions . Otherwise no evidence of acute cardiopulmonary process .