Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were obtained . Since the prior exam , there is interval increase in the left pleural effusion . A small right pleural effusion is redemonstrated . Bibasilar consolidations are likely attributable to compressive atelectasis . Overall , heart and mediastinal contours appear stable . Degenerative changes at the right shoulder are redemonstrated . Degenerative changes in the T - spine also again seen .
    OUTPUT:
    
Increasing left effusion . Persistent smaller right effusion . Compressive lower lobe atelectasis .