Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The current study appears to be relatively unchanged compared to the previous . Bilateral pleural effusions are still present . The slightly more blunting of the right costophrenic angle on the PA projection is not not as prominent on the lateral view . Heart size remains unchanged . Aorta is tortuous and again calcifications are noted within the arch . Chronic interstitial changes are seen in the left base . The old rib lesion on the right remains unchanged .
    OUTPUT:
    
Bilateral pleural effusions with no significant changes compared to the prior study .