Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: ET tube and NG tube and right - sided PICC line are unchanged in position . Extensive patchy interstitial alveolar opacities in both lungs , similar to prior film . Possible slightly more confluence in the right mid zone , though this could also be accentuated due to differences in film technique . However , opacity in the right mid zone has definitely progressed compared with ___ at 18 : 10 . There is blunting of both costophrenic angles , consistent with small pleural effusions and / or pleural thickening , not substantially changed . Calcifications are present along both hemidiaphragms . Right upper quadrant surgical clips noted .
    OUTPUT:
    
Lines and tubes unchanged in position . No pneumothorax detected . Equivocal slight increase in opacity in the right mid zone compared to 1 day earlier , otherwise , no substantial change in chest findings compared with 1 day earlier . However , opacity in the right mid zone has definitely increased compared with 2 days earlier .