Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a small - to - moderate right - sided pleural effusion , likely slightly increased since previous exam . Minimal blunting of the left posterior costophrenic angle also suggests small left pleural effusion . Superiorly , the lungs are clear . The cardiomediastinal silhouette is stable . Posterior right seventh rib fracture is again seen . Peripherally calcified lesion in the right upper quadrant is known to be hepatic in origin . Atherosclerotic calcifications seen within the thoracic aorta .
    OUTPUT:
    
Slight interval enlargement of the right - sided pleural effusion . Likely associated atelectasis , noting that infection can not be entirely excluded . Persistent small left effusion .