Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . The lungs are clear of focal consolidation . There is persistent blunting of the right posterior costophrenic angle which may be due to small effusion . The cardiomediastinal silhouette is within normal limits . No acute osseous abnormalities . Hypertrophic changes seen in the spine .
    OUTPUT:
    
Possible trace right pleural effusion as on prior . No acute cardiopulmonary process .