Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is near - complete of opacification of left hemithorax , worsened since prior chest radiograph from ___ at 07 :05 and likely related to a large left - sided pleural effusion as seen on outside chest CT . However , evaluation of underlying pleural thickening for underlying lesion is limited in this examination . There is rightward shift of the cardiomediastinal structures . Blunting of the right costophrenic angle could also reflect a small pleural effusion , new since the radiograph from earlier today . There is atelectasis at the right lung base . No large pneumothorax identified on this portable chest radiograph .
    OUTPUT:
    
1 . Interval worsening of near - complete opacification of the left hemithorax , likely related to large left - sided pleural effusion as seen on outside chest CT . 2 . New small right pleural effusion .