Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear of consolidation or edema . There is a small right pleural effusion . The cardiomediastinal silhouette is within normal limits . Right first rib resection changes are noted as on prior . No acute osseous abnormalities .
    OUTPUT:
    
Small right - sided pleural effusion . No other acute cardiopulmonary process . .