Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Mild bibasilar atelectasis . A right lower lobe opacity projecting over the lung bases may represent pleural disease or may be parenchymal . No pleural effusion or pneumothorax . Hilar contours are normal .
    OUTPUT:
    
An opacity projecting over the lung bases may represent pleural disease or may be parenchymal . CT may be useful given the patient 's pleural in interstitial lung disease .