Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs remain clear without focal consolidation or edema . There is blunting of the right posterior costophrenic angle which could be due to a small right pleural effusion . The cardiomediastinal silhouette is stable , atherosclerotic calcifications again noted at the arch . No acute osseous abnormality .
    OUTPUT:
    
Possible tiny right pleural effusion , otherwise , no acute cardiopulmonary process .