Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: All the monitoring devices are unchanged . There is increased opacification of the left lung for moderate - to - large pleural effusion . Left lower lobe lung collapse is unchanged . The right lower lobe actelectasis is unchanged . Cardiomediastinal silhouette is stable , there is no pneumothorax .
    OUTPUT:
    
Increased left pleural effusion , now moderate to severe with persistent left lung base collapse and right base atelectasis .