Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been some interval partial clearing of the alveolar infiltrates however there continues to be lower greater than upper lobe infiltrate . The ET tube , right subclavian line , right chest tube are unchanged . There small bilateral pleural effusions . There continues to be dense retrocardiac opacity .
    OUTPUT:
    
Interval partial clearing with continued bilateral lower lobe volume loss / infiltrate / effusion