Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Hypoinflated lungs with perihilar interstitial prominence consistent with vascular crowding . No pleural effusion pneumothorax . Prominence of the heart is likely related to low lung volume . New left lower lobe and retrocardiac opacity is noted . Mediastinal contour and hila are otherwise unremarkable . Visualized osseous structures are unremarkable and upper abdomen is within normal limits .
    OUTPUT:
    
1 . New left lower lobe and retrocardiac opacities most consistent with atelectasis however superinfection can not be excluded . Clinical correlation is recommended . 2 . Hypoinflated lungs .