Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Tracheostomy project over the upper trachea . Lower lung volumes seen on the current exam . Increased opacity projecting over the left hemithorax compared to the right is compatible with persistent large pleural effusion . More dense retrocardiac opacity is noted , potentially from the effusion and atelectasis noting that infection would certainly be possible . There is also a suspected persistent right pleural effusion . Right PICC is identified although tip of the catheters not clearly delineated . Cardiomediastinal silhouette is stable . Median sternotomy wires are intact .
    OUTPUT:
    
Similar appearance of the chest when compared to ___ with persistent bilateral pleural effusions , left greater than right .