Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Bibasilar opacities are seen , more extensive on the right than on the left compatible with known underlying consolidation and small effusions . Superiorly the lungs are clear . The cardiomediastinal silhouette is within normal limits for technique . No acute osseous abnormalities . Excreted intravenous contrast noted within the renal pelves bilaterally .
    OUTPUT:
    
Bibasilar opacities compatible with known pneumonia , atelectasis and effusions .