Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Again there are bilateral pleural effusions , left greater than right , similar in extent as compared to the prior study . There is persistent heterogeneous opacity projecting over the left mid lung , could relate to chronic aspiration . No pneumothorax is seen . The cardiac and mediastinal silhouettes are grossly stable .
    OUTPUT:
    
Persistent left greater than right pleural effusions and left mid to lower lung opacity .