Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest were provided . As seen on recent chest CT , there are bilateral pleural effusions which appear small , with associated right and left lower lobe atelectasis which slightly improved in the interval . Upper and mid lungs appear well aerated . The heart and mediastinal contours appear stable . No definite bony abnormalities are seen .
    OUTPUT:
    
Small bilateral effusions with persistent though improving lower lobe atelectasis .