Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is substantial elevation of the right hemidiaphragm with associated opacification that may be due to pleural effusions and atelectasis . This study indicates that the pleural effusion component is similar to perhaps slightly smaller . The left lung remains clear . There is no evidence for pleural effusion on the left . The cardiac , mediastinal and hilar contours appear unchanged .
    OUTPUT:
    
Elevation of the right hemidiaphragm with suspected pleural effusion , not incompletely characterized , although apparently similar to decreased . A decubitus view or CT could be helpful to evaluate how much of the appearance is truly due to pleural effusion if needed clinically .