Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are trace bilateral effusions . There is no overt pulmonary edema . Moderate hiatal hernia is again noted . Cardiomediastinal silhouette is within normal limits . Coronary artery stents are noted . No acute osseous abnormality is identified , vertebroplasty changes are seen in the likely lumbar spine .
    OUTPUT:
    
Trace bilateral effusions . No acute cardiopulmonary process .