Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison to the prior radiograph on ___ , there is worsening moderate effusion and adjacent atelectasis on the right . Opacification of the left lung base is likely due to a combination of pleural effusion and atelectasis . Underlying consolidation can not be excluded . No pneumothorax . Heart borders are difficult to assess due to adjacent effusions . No acute osseous abnormalities identified . Pacer leads appropriately terminate in the right atrium and right ventricle .
    OUTPUT:
    
Worsening moderate right pleural effusion with adjacent atelectasis . Probable effusion on the left . Underlying infection can not be excluded in the appropriate clinical setting .