Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lower lung volumes seen on the current exam . Blunting of the posterior costophrenic angles suggests small bilateral effusions . The lungs are otherwise clear . The cardiomediastinal silhouette is normal . No acute osseous abnormalities .
    OUTPUT:
    
Probable small bilateral pleural effusions . Otherwise no acute cardiopulmonary process