Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single frontal view of the chest was obtained . Left hemidiaphragm is somewhat obscured , although this may in part relate to underpenetration ; however , there may be small pleural effusion with overlying atelectasis . In addition , there is hazy opacity at the right mid - to - lower lung , likely relates to small - to - moderate pleural effusion seen on CT earlier today . Prominent mediastinal lymph nodes are better assessed on CT performed earlier today . Additionally , subcentimeter pulmonary nodules , also better assessed on CT .
    OUTPUT:
    
Known bilateral pleural effusions . Pulmonary nodules and mediastinal lymph nodes better assessed on CT .