Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Small - to - moderate bilateral pleural effusions are again identified and appear similar to that seen on ___ . Additionally , there is now increased opacity in the left mid to lower lung , which is suggestive of pneumonia . Cardiac silhouette appears unchanged and at upper limits of normal . Degenerative changes are noted at bilateral glenohumeral joint and acromioclavicular joint on the right .
    OUTPUT:
    
Bilateral small - to - moderate pleural effusions appear relatively stable . New increased opacity is now noted in the left mid to lower lung and suggestive of pneumonia .