Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Chest PA and lateral radiograph demonstrates near complete resolution of right lower and left lower lung opacifications with only minimal residual bibasilar and left upper lobe atelectasis . The right pleural effusion has substantially decreased in size , now small . Stable mild cardiomegaly . Mediastinal and hilar contours are unremarkable . Please note portions of the left lung are obscured by overlying pacemaker which has leads positioned in the right atrium and right ventricle .
    OUTPUT:
    
Significantly improved bibasilar consolidations and right pleural effusion , now small in size , given significant change in short period of time , earlier findings were likely related to volume overload .