Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lower lung volumes are seen on the current exam . The lungs remain clear . There is no consolidation , effusion , or edema . Relative elevation of the left hemi diaphragm is unchanged from prior . There is no pneumothorax . The cardiomediastinal silhouette is within normal limits . No acute osseous abnormalities identified .
    OUTPUT:
    
No acute cardiopulmonary process .