Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lordotic positioning . There are low inspiratory volumes . Heart size is at the upper limits of normal , but not frankly enlarged . There is upper zone redistribution and vascular plethora , consistent with mild CHF . It is possible that the right hemidiaphragm is elevated . In addition , there is atelectasis and probably a small amount of fluid at the right base . There is patchy opacity in the retrocardiac region , consistent with left lower lobe collapse and / or consolidation . No gross joint effusion . Note is made of surgical ___ overlying the upper abdomen .
    OUTPUT:
    
Bibasilar atelectasis and right pleural effusion . The possibility of underlying pneumonic consolidation can not be excluded . Mild CHF .